[05/11] incubator-predictionio git commit: [PIO-3] Update all the file headers with ASF License

[do...@apache.org]

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial3/EngineFactory.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial3/EngineFactory.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial3/EngineFactory.java
index 7e7add7..67c2afc 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial3/EngineFactory.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial3/EngineFactory.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial3;
 
 import org.apache.predictionio.examples.java.recommendations.tutorial1.Algorithm;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial3/Evaluator.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial3/Evaluator.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial3/Evaluator.java
index 98042b0..a5c712d 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial3/Evaluator.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial3/Evaluator.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial3;
 
 import org.apache.predictionio.examples.java.recommendations.tutorial1.Query;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial3/Runner3.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial3/Runner3.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial3/Runner3.java
index 5fba5aa..dbd5baa 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial3/Runner3.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial3/Runner3.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial3;
 
 import org.apache.predictionio.examples.java.recommendations.tutorial1.DataSourceParams;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/CollaborativeFilteringAlgorithm.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/CollaborativeFilteringAlgorithm.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/CollaborativeFilteringAlgorithm.java
index 0aa12f3..70e5eb2 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/CollaborativeFilteringAlgorithm.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/CollaborativeFilteringAlgorithm.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial4;
 
 import org.apache.predictionio.controller.java.LJavaAlgorithm;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/CollaborativeFilteringAlgorithmParams.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/CollaborativeFilteringAlgorithmParams.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/CollaborativeFilteringAlgorithmParams.java
index ca9dc2f..1a43426 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/CollaborativeFilteringAlgorithmParams.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/CollaborativeFilteringAlgorithmParams.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial4;
 
 import org.apache.predictionio.controller.java.JavaParams;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/CollaborativeFilteringModel.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/CollaborativeFilteringModel.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/CollaborativeFilteringModel.java
index 523f44a..9836a24 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/CollaborativeFilteringModel.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/CollaborativeFilteringModel.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial4;
 
 import java.io.Serializable;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/DataSource.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/DataSource.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/DataSource.java
index f3938f2..3944e7e 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/DataSource.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/DataSource.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial4;
 
 import java.util.Arrays;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/DataSourceParams.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/DataSourceParams.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/DataSourceParams.java
index 322bb68..46ad0ec 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/DataSourceParams.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/DataSourceParams.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial4;
 
 import org.apache.predictionio.controller.java.JavaParams;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/EngineFactory.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/EngineFactory.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/EngineFactory.java
index e88fa83..8861a4c 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/EngineFactory.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/EngineFactory.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial4;
 
 import org.apache.predictionio.controller.java.EmptyParams;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/FeatureBasedAlgorithm.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/FeatureBasedAlgorithm.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/FeatureBasedAlgorithm.java
index e51d821..89f59f2 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/FeatureBasedAlgorithm.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/FeatureBasedAlgorithm.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial4;
 
 import org.apache.predictionio.controller.java.LJavaAlgorithm;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/FeatureBasedAlgorithmParams.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/FeatureBasedAlgorithmParams.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/FeatureBasedAlgorithmParams.java
index 4f31fa6..ae03fad 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/FeatureBasedAlgorithmParams.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/FeatureBasedAlgorithmParams.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial4;
 
 import org.apache.predictionio.controller.java.JavaParams;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/FeatureBasedModel.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/FeatureBasedModel.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/FeatureBasedModel.java
index b598c38..5b50c5a 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/FeatureBasedModel.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/FeatureBasedModel.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial4;
 
 import java.io.Serializable;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Preparator.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Preparator.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Preparator.java
index 3ccce53..3902371 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Preparator.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Preparator.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial4;
 
 import org.apache.predictionio.controller.java.LJavaPreparator;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/PreparedData.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/PreparedData.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/PreparedData.java
index 35c46ea..b07d86d 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/PreparedData.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/PreparedData.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial4;
 
 import java.util.Map;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Query.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Query.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Query.java
index d4a9854..302de0c 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Query.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Query.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial4;
 
 import java.io.Serializable;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4a.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4a.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4a.java
index 5ada77f..a52fe76 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4a.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4a.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial4;
 
 import org.apache.predictionio.controller.java.EmptyParams;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4b.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4b.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4b.java
index 871cc06..6964946 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4b.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4b.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial4;
 
 import org.apache.predictionio.controller.java.EmptyParams;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4c.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4c.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4c.java
index 9806c45..681bd5f 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4c.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4c.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial4;
 
 import org.apache.predictionio.controller.java.EmptyParams;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4d.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4d.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4d.java
index c40b2cb..6b224f1 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4d.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Runner4d.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial4;
 
 import org.apache.predictionio.controller.java.EmptyParams;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Serving.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Serving.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Serving.java
index 5c081a4..aba1611 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Serving.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/Serving.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial4;
 
 import org.apache.predictionio.controller.java.LJavaServing;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/SingleEngineFactory.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/SingleEngineFactory.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/SingleEngineFactory.java
index 40b3831..9c5cf06 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/SingleEngineFactory.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/SingleEngineFactory.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial4;
 
 import org.apache.predictionio.controller.java.EmptyParams;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/TrainingData.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/TrainingData.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/TrainingData.java
index cd9752c..61970cd 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/TrainingData.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial4/TrainingData.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial4;
 
 import java.io.Serializable;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/EngineFactory.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/EngineFactory.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/EngineFactory.java
index b69c923..ef59694 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/EngineFactory.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/EngineFactory.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial5;
 
 import org.apache.predictionio.examples.java.recommendations.tutorial3.DataSource;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/MahoutAlgoModel.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/MahoutAlgoModel.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/MahoutAlgoModel.java
index c134e54..5c87706 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/MahoutAlgoModel.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/MahoutAlgoModel.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial5;
 
 import java.io.Serializable;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/MahoutAlgoParams.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/MahoutAlgoParams.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/MahoutAlgoParams.java
index 128a114..9c95cc6 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/MahoutAlgoParams.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/MahoutAlgoParams.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial5;
 
 import org.apache.predictionio.controller.java.JavaParams;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/MahoutAlgorithm.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/MahoutAlgorithm.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/MahoutAlgorithm.java
index bc26444..766ef52 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/MahoutAlgorithm.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/MahoutAlgorithm.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial5;
 
 import org.apache.predictionio.controller.java.LJavaAlgorithm;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/Runner5.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/Runner5.java b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/Runner5.java
index ea98348..2a8e853 100644
--- a/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/Runner5.java
+++ b/examples/experimental/java-local-tutorial/src/main/java/recommendations/tutorial5/Runner5.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.recommendations.tutorial5;
 
 import org.apache.predictionio.examples.java.recommendations.tutorial1.DataSourceParams;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Algorithm.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Algorithm.java b/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Algorithm.java
index f0dc121..23635d6 100644
--- a/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Algorithm.java
+++ b/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Algorithm.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.parallel;
 
 import org.apache.predictionio.controller.java.EmptyParams;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-parallel-helloworld/src/main/java/parallel/DataSource.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-parallel-helloworld/src/main/java/parallel/DataSource.java b/examples/experimental/java-parallel-helloworld/src/main/java/parallel/DataSource.java
index 1429aef..c2ed854 100644
--- a/examples/experimental/java-parallel-helloworld/src/main/java/parallel/DataSource.java
+++ b/examples/experimental/java-parallel-helloworld/src/main/java/parallel/DataSource.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.parallel;
 
 import org.apache.predictionio.controller.java.EmptyParams;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-parallel-helloworld/src/main/java/parallel/EngineFactory.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-parallel-helloworld/src/main/java/parallel/EngineFactory.java b/examples/experimental/java-parallel-helloworld/src/main/java/parallel/EngineFactory.java
index 85b4b12..2b14367 100644
--- a/examples/experimental/java-parallel-helloworld/src/main/java/parallel/EngineFactory.java
+++ b/examples/experimental/java-parallel-helloworld/src/main/java/parallel/EngineFactory.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.parallel;
 
 import org.apache.predictionio.controller.java.IJavaEngineFactory;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Model.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Model.java b/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Model.java
index 8d5f63d..ca662d0 100644
--- a/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Model.java
+++ b/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Model.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.parallel;
 
 import java.io.Serializable;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Preparator.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Preparator.java b/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Preparator.java
index 0934776..6391999 100644
--- a/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Preparator.java
+++ b/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Preparator.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.parallel;
 
 import org.apache.predictionio.controller.java.EmptyParams;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Query.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Query.java b/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Query.java
index 4b56160..e596c2d 100644
--- a/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Query.java
+++ b/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Query.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.parallel;
 
 import java.io.Serializable;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Runner.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Runner.java b/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Runner.java
index 48b30d2..53273a7 100644
--- a/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Runner.java
+++ b/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Runner.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.parallel;
 
 import org.apache.predictionio.controller.IEngineFactory;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Serving.java
----------------------------------------------------------------------
diff --git a/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Serving.java b/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Serving.java
index 4dc57ba..40c1e7b 100644
--- a/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Serving.java
+++ b/examples/experimental/java-parallel-helloworld/src/main/java/parallel/Serving.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.java.parallel;
 
 import org.apache.predictionio.controller.java.EmptyParams;

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/scala-cleanup-app/src/main/scala/Algorithm.scala
----------------------------------------------------------------------
diff --git a/examples/experimental/scala-cleanup-app/src/main/scala/Algorithm.scala b/examples/experimental/scala-cleanup-app/src/main/scala/Algorithm.scala
index f5dd839..95c69fc 100644
--- a/examples/experimental/scala-cleanup-app/src/main/scala/Algorithm.scala
+++ b/examples/experimental/scala-cleanup-app/src/main/scala/Algorithm.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.experimental.cleanupapp
 
 import org.apache.predictionio.controller.P2LAlgorithm

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/scala-cleanup-app/src/main/scala/DataSource.scala
----------------------------------------------------------------------
diff --git a/examples/experimental/scala-cleanup-app/src/main/scala/DataSource.scala b/examples/experimental/scala-cleanup-app/src/main/scala/DataSource.scala
index 8e0b0f6..c10bd83 100644
--- a/examples/experimental/scala-cleanup-app/src/main/scala/DataSource.scala
+++ b/examples/experimental/scala-cleanup-app/src/main/scala/DataSource.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.experimental.cleanupapp
 
 import org.apache.predictionio.controller.PDataSource

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/scala-cleanup-app/src/main/scala/Engine.scala
----------------------------------------------------------------------
diff --git a/examples/experimental/scala-cleanup-app/src/main/scala/Engine.scala b/examples/experimental/scala-cleanup-app/src/main/scala/Engine.scala
index 4caf7ba..5a0d5a4 100644
--- a/examples/experimental/scala-cleanup-app/src/main/scala/Engine.scala
+++ b/examples/experimental/scala-cleanup-app/src/main/scala/Engine.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.experimental.cleanupapp
 
 import org.apache.predictionio.controller.IEngineFactory

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/scala-cleanup-app/src/main/scala/Preparator.scala
----------------------------------------------------------------------
diff --git a/examples/experimental/scala-cleanup-app/src/main/scala/Preparator.scala b/examples/experimental/scala-cleanup-app/src/main/scala/Preparator.scala
index 35d8513..ab8514a 100644
--- a/examples/experimental/scala-cleanup-app/src/main/scala/Preparator.scala
+++ b/examples/experimental/scala-cleanup-app/src/main/scala/Preparator.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.experimental.cleanupapp
 
 import org.apache.predictionio.controller.PPreparator

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/scala-cleanup-app/src/main/scala/Serving.scala
----------------------------------------------------------------------
diff --git a/examples/experimental/scala-cleanup-app/src/main/scala/Serving.scala b/examples/experimental/scala-cleanup-app/src/main/scala/Serving.scala
index 123aeb4..82620c3 100644
--- a/examples/experimental/scala-cleanup-app/src/main/scala/Serving.scala
+++ b/examples/experimental/scala-cleanup-app/src/main/scala/Serving.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.experimental.cleanupapp
 
 import org.apache.predictionio.controller.LServing

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/scala-local-friend-recommendation/file_random.py
----------------------------------------------------------------------
diff --git a/examples/experimental/scala-local-friend-recommendation/file_random.py b/examples/experimental/scala-local-friend-recommendation/file_random.py
index 846f5a1..95621e9 100644
--- a/examples/experimental/scala-local-friend-recommendation/file_random.py
+++ b/examples/experimental/scala-local-friend-recommendation/file_random.py
@@ -1,3 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 import sys
 import random
 

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationAlgoParams.scala
----------------------------------------------------------------------
diff --git a/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationAlgoParams.scala b/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationAlgoParams.scala
index 7a73001..596a3fa 100644
--- a/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationAlgoParams.scala
+++ b/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationAlgoParams.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.friendrecommendation
 
 import org.apache.predictionio.controller._

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationDataSource.scala
----------------------------------------------------------------------
diff --git a/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationDataSource.scala b/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationDataSource.scala
index 04bf21e..399e31d 100644
--- a/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationDataSource.scala
+++ b/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationDataSource.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.friendrecommendation
 
 import org.apache.predictionio.controller._

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationDataSourceParams.scala
----------------------------------------------------------------------
diff --git a/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationDataSourceParams.scala b/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationDataSourceParams.scala
index 88e8b17..bd8f6b0 100644
--- a/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationDataSourceParams.scala
+++ b/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationDataSourceParams.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.friendrecommendation
 
 import org.apache.predictionio.controller._

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationPrediction.scala
----------------------------------------------------------------------
diff --git a/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationPrediction.scala b/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationPrediction.scala
index 6a57390..c7e2b8b 100644
--- a/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationPrediction.scala
+++ b/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationPrediction.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.friendrecommendation
 
 class FriendRecommendationPrediction (

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationQuery.scala
----------------------------------------------------------------------
diff --git a/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationQuery.scala b/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationQuery.scala
index a7a64d2..ca2f912 100644
--- a/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationQuery.scala
+++ b/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationQuery.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.friendrecommendation
 
 class FriendRecommendationQuery (

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationTrainingData.scala
----------------------------------------------------------------------
diff --git a/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationTrainingData.scala b/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationTrainingData.scala
index 18f9fb0..2a0596e 100644
--- a/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationTrainingData.scala
+++ b/examples/experimental/scala-local-friend-recommendation/src/main/scala/FriendRecommendationTrainingData.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.friendrecommendation
 
 import scala.collection.immutable.HashMap

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/scala-local-friend-recommendation/src/main/scala/KeywordSimilarityAlgorithm.scala
----------------------------------------------------------------------
diff --git a/examples/experimental/scala-local-friend-recommendation/src/main/scala/KeywordSimilarityAlgorithm.scala b/examples/experimental/scala-local-friend-recommendation/src/main/scala/KeywordSimilarityAlgorithm.scala
index bb83e2b..115fa85 100644
--- a/examples/experimental/scala-local-friend-recommendation/src/main/scala/KeywordSimilarityAlgorithm.scala
+++ b/examples/experimental/scala-local-friend-recommendation/src/main/scala/KeywordSimilarityAlgorithm.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.friendrecommendation
 
 import org.apache.predictionio.controller._

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/scala-local-friend-recommendation/src/main/scala/KeywordSimilarityEngineFactory.scala
----------------------------------------------------------------------
diff --git a/examples/experimental/scala-local-friend-recommendation/src/main/scala/KeywordSimilarityEngineFactory.scala b/examples/experimental/scala-local-friend-recommendation/src/main/scala/KeywordSimilarityEngineFactory.scala
index a96f1b0..51023a4 100644
--- a/examples/experimental/scala-local-friend-recommendation/src/main/scala/KeywordSimilarityEngineFactory.scala
+++ b/examples/experimental/scala-local-friend-recommendation/src/main/scala/KeywordSimilarityEngineFactory.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.friendrecommendation
 
 import org.apache.predictionio.controller._

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/scala-local-friend-recommendation/src/main/scala/KeywordSimilarityModel.scala
----------------------------------------------------------------------
diff --git a/examples/experimental/scala-local-friend-recommendation/src/main/scala/KeywordSimilarityModel.scala b/examples/experimental/scala-local-friend-recommendation/src/main/scala/KeywordSimilarityModel.scala
index 0e9f046..6de7ee3 100644
--- a/examples/experimental/scala-local-friend-recommendation/src/main/scala/KeywordSimilarityModel.scala
+++ b/examples/experimental/scala-local-friend-recommendation/src/main/scala/KeywordSimilarityModel.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.friendrecommendation
 
 import scala.collection.immutable.HashMap

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/scala-local-friend-recommendation/src/main/scala/RandomAlgorithm.scala
----------------------------------------------------------------------
diff --git a/examples/experimental/scala-local-friend-recommendation/src/main/scala/RandomAlgorithm.scala b/examples/experimental/scala-local-friend-recommendation/src/main/scala/RandomAlgorithm.scala
index 47badea..a71913e 100644
--- a/examples/experimental/scala-local-friend-recommendation/src/main/scala/RandomAlgorithm.scala
+++ b/examples/experimental/scala-local-friend-recommendation/src/main/scala/RandomAlgorithm.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.friendrecommendation
 
 import org.apache.predictionio.controller._

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/scala-local-friend-recommendation/src/main/scala/RandomEngineFactory.scala
----------------------------------------------------------------------
diff --git a/examples/experimental/scala-local-friend-recommendation/src/main/scala/RandomEngineFactory.scala b/examples/experimental/scala-local-friend-recommendation/src/main/scala/RandomEngineFactory.scala
index 2f4938a..e650199 100644
--- a/examples/experimental/scala-local-friend-recommendation/src/main/scala/RandomEngineFactory.scala
+++ b/examples/experimental/scala-local-friend-recommendation/src/main/scala/RandomEngineFactory.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.friendrecommendation
 
 import org.apache.predictionio.controller._

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/scala-local-friend-recommendation/src/main/scala/RandomModel.scala
----------------------------------------------------------------------
diff --git a/examples/experimental/scala-local-friend-recommendation/src/main/scala/RandomModel.scala b/examples/experimental/scala-local-friend-recommendation/src/main/scala/RandomModel.scala
index 1e4bf7c..91a8866 100644
--- a/examples/experimental/scala-local-friend-recommendation/src/main/scala/RandomModel.scala
+++ b/examples/experimental/scala-local-friend-recommendation/src/main/scala/RandomModel.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.predictionio.examples.friendrecommendation
 
 class RandomModel(

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/experimental/scala-local-helloworld/HelloWorld.scala
----------------------------------------------------------------------
diff --git a/examples/experimental/scala-local-helloworld/HelloWorld.scala b/examples/experimental/scala-local-helloworld/HelloWorld.scala
index 90caf65..bc565ce 100644
--- a/examples/experimental/scala-local-helloworld/HelloWorld.scala
+++ b/examples/experimental/scala-local-helloworld/HelloWorld.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.sample.helloworld
 
 import org.apache.predictionio.controller._