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Posted to commits@ctakes.apache.org by dl...@apache.org on 2016/12/13 14:34:38 UTC

svn commit: r1774027 - /ctakes/trunk/ctakes-temporal/src/main/java/org/apache/ctakes/temporal/nn/data/EventEventRelPositionPrinter.java

Author: dligach
Date: Tue Dec 13 14:34:38 2016
New Revision: 1774027

URL: http://svn.apache.org/viewvc?rev=1774027&view=rev
Log:
position feature data writer for event-event relations

Added:
    ctakes/trunk/ctakes-temporal/src/main/java/org/apache/ctakes/temporal/nn/data/EventEventRelPositionPrinter.java

Added: ctakes/trunk/ctakes-temporal/src/main/java/org/apache/ctakes/temporal/nn/data/EventEventRelPositionPrinter.java
URL: http://svn.apache.org/viewvc/ctakes/trunk/ctakes-temporal/src/main/java/org/apache/ctakes/temporal/nn/data/EventEventRelPositionPrinter.java?rev=1774027&view=auto
==============================================================================
--- ctakes/trunk/ctakes-temporal/src/main/java/org/apache/ctakes/temporal/nn/data/EventEventRelPositionPrinter.java (added)
+++ ctakes/trunk/ctakes-temporal/src/main/java/org/apache/ctakes/temporal/nn/data/EventEventRelPositionPrinter.java Tue Dec 13 14:34:38 2016
@@ -0,0 +1,263 @@
+/**
+ * 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.ctakes.temporal.nn.data;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.nio.file.StandardOpenOption;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.ctakes.temporal.duration.Utils;
+import org.apache.ctakes.temporal.eval.CommandLine;
+import org.apache.ctakes.temporal.eval.THYMEData;
+import org.apache.ctakes.typesystem.type.relation.BinaryTextRelation;
+import org.apache.ctakes.typesystem.type.syntax.BaseToken;
+import org.apache.ctakes.typesystem.type.textsem.EventMention;
+import org.apache.ctakes.typesystem.type.textspan.Sentence;
+import org.apache.uima.analysis_engine.AnalysisEngine;
+import org.apache.uima.analysis_engine.AnalysisEngineProcessException;
+import org.apache.uima.cas.CASException;
+import org.apache.uima.collection.CollectionReader;
+import org.apache.uima.fit.component.JCasAnnotator_ImplBase;
+import org.apache.uima.fit.descriptor.ConfigurationParameter;
+import org.apache.uima.fit.factory.AnalysisEngineFactory;
+import org.apache.uima.fit.pipeline.SimplePipeline;
+import org.apache.uima.fit.util.JCasUtil;
+import org.apache.uima.jcas.JCas;
+import org.apache.uima.jcas.tcas.Annotation;
+
+import com.lexicalscope.jewel.cli.CliFactory;
+import com.lexicalscope.jewel.cli.Option;
+
+/**
+ * Print gold standard relations and their context.
+ * 
+ * @author dmitriy dligach
+ */
+public class EventEventRelPositionPrinter {
+
+  static interface Options {
+
+    @Option(longName = "xmi-dir")
+    public File getInputDirectory();
+
+    @Option(longName = "patients")
+    public CommandLine.IntegerRanges getPatients();
+
+    @Option(longName = "output-train")
+    public File getTrainOutputDirectory();
+
+    @Option(longName = "output-test")
+    public File getTestOutputDirectory();
+  }
+
+  public static void main(String[] args) throws Exception {
+
+    Options options = CliFactory.parseArguments(Options.class, args);
+
+    File trainFile = options.getTrainOutputDirectory();
+    if(trainFile.exists()) {
+      trainFile.delete();
+    }
+    trainFile.createNewFile();
+    File devFile = options.getTestOutputDirectory();
+    if(devFile.exists()) {
+      devFile.delete();
+    }
+    devFile.createNewFile();
+
+    List<Integer> patientSets = options.getPatients().getList();
+    List<Integer> trainItems = THYMEData.getPatientSets(patientSets, THYMEData.TRAIN_REMAINDERS);
+    List<Integer> devItems = THYMEData.getPatientSets(patientSets, THYMEData.DEV_REMAINDERS);
+
+    List<File> trainFiles = Utils.getFilesFor(trainItems, options.getInputDirectory());
+    List<File> devFiles = Utils.getFilesFor(devItems, options.getInputDirectory());
+
+    // write training data to file
+    CollectionReader trainCollectionReader = Utils.getCollectionReader(trainFiles);
+    AnalysisEngine trainDataWriter = AnalysisEngineFactory.createEngine(
+        RelationSnippetPrinter.class,
+        "IsTraining",
+        true,
+        "OutputFile",
+        trainFile.getAbsoluteFile());
+    SimplePipeline.runPipeline(trainCollectionReader, trainDataWriter);
+
+    // write dev data to file
+    CollectionReader devCollectionReader = Utils.getCollectionReader(devFiles);
+    AnalysisEngine devDataWriter = AnalysisEngineFactory.createEngine(
+        RelationSnippetPrinter.class,
+        "IsTraining",
+        false,
+        "OutputFile",
+        devFile.getAbsolutePath());
+    SimplePipeline.runPipeline(devCollectionReader, devDataWriter);
+  }
+
+  /**
+   * Print gold standard relations and their context.
+   * 
+   * @author dmitriy dligach
+   */
+  public static class RelationSnippetPrinter extends JCasAnnotator_ImplBase {
+
+    @ConfigurationParameter(
+        name = "IsTraining",
+        mandatory = true,
+        description = "are we training?")
+    private boolean isTraining;
+    
+    @ConfigurationParameter(
+        name = "OutputFile",
+        mandatory = true,
+        description = "path to the output file")
+    private String outputFile;
+
+    @Override
+    public void process(JCas jCas) throws AnalysisEngineProcessException {
+      
+      JCas goldView;
+      try {
+        goldView = jCas.getView("GoldView");
+      } catch (CASException e) {
+        throw new AnalysisEngineProcessException(e);
+      }
+
+      JCas systemView;
+      try {
+        systemView = jCas.getView("_InitialView");
+      } catch (CASException e) {
+        throw new AnalysisEngineProcessException(e);
+      }
+
+      // can't iterate over binary text relations in a sentence, so need
+      // a lookup from pair of annotations to binary text relation
+      Map<List<Annotation>, BinaryTextRelation> relationLookup = new HashMap<>();
+      for(BinaryTextRelation relation : JCasUtil.select(goldView, BinaryTextRelation.class)) {
+        Annotation arg1 = relation.getArg1().getArgument();
+        Annotation arg2 = relation.getArg2().getArgument();
+        relationLookup.put(Arrays.asList(arg1, arg2), relation);
+      }
+
+      // go over sentences, extracting event-event relation instances
+      for(Sentence sentence : JCasUtil.select(systemView, Sentence.class)) {
+        List<String> eventEventRelationsInSentence = new ArrayList<>();
+        ArrayList<EventMention> eventMentionsInSentence = new ArrayList<>(JCasUtil.selectCovered(goldView, EventMention.class, sentence));
+
+        // retrieve event-event relations in this sentence
+        for(int i = 0; i < eventMentionsInSentence.size(); i++) {
+          for(int j = i + 1; j < eventMentionsInSentence.size(); j++) {
+            EventMention mention1 = eventMentionsInSentence.get(i);
+            EventMention mention2 = eventMentionsInSentence.get(j);
+            BinaryTextRelation forwardRelation = relationLookup.get(Arrays.asList(mention1, mention2));
+            BinaryTextRelation reverseRelation = relationLookup.get(Arrays.asList(mention2, mention1));
+
+            String label = "none";            
+            if(forwardRelation != null) {
+              if(forwardRelation.getCategory().equals("CONTAINS")) {
+                label = "contains";   // mention1 contains mention2
+              }
+            } else if(reverseRelation != null) {
+              if(reverseRelation.getCategory().equals("CONTAINS")) {
+                label = "contains-1"; // mention2 contains mention1
+              }
+            } 
+
+            // sanity check
+            if(mention1.getBegin() > mention2.getBegin())  {
+              System.out.println("We assumed mention1 is always before mention2");
+              System.out.println(sentence.getCoveredText());
+              System.out.println(mention1.getCoveredText());
+              System.out.println(mention2.getCoveredText());
+              System.out.println();
+            }
+            
+            String context = getPositionContext(systemView, sentence, mention1, mention2);
+            // String context = ArgContextProvider.getRegions(systemView, sentence, mention1, mention2, 2);
+            
+            String text = String.format("%s|%s", label, context);
+            eventEventRelationsInSentence.add(text.toLowerCase());
+          }
+        }
+
+        try {
+          Files.write(Paths.get(outputFile), eventEventRelationsInSentence, StandardOpenOption.APPEND);
+        } catch (IOException e) {
+          e.printStackTrace();
+        }
+      }
+    }
+  }
+  
+  /**
+   * Print indices
+   * @param contextSize number of tokens to include on the left of arg1 and on the right of arg2
+   */
+  public static String getPositionContext(
+      JCas jCas, 
+      Sentence sent, 
+      EventMention event1,
+      EventMention event2) {
+
+    // get sentence as a list of tokens
+    List<String> tokens = new ArrayList<>();
+    for(BaseToken baseToken : JCasUtil.selectCovered(jCas, BaseToken.class, sent)) {
+      tokens.add(baseToken.getCoveredText());  
+    }
+    
+    // find the positions of event mentions
+    // assume both events consists of just head words
+    
+    int currentPosition = 0;       // current token index
+    int event1Position = -1000;    // event1's index
+    int event2Position = -1000;    // event2's index
+    
+    for(BaseToken token : JCasUtil.selectCovered(jCas, BaseToken.class, sent)) {
+      if(event1.getBegin() == token.getBegin()) {
+        event1Position = currentPosition;     // event1 position found
+      }
+      if(event2.getBegin() == token.getBegin()) { 
+        event2Position = currentPosition;     // event2 postion found
+      } 
+      currentPosition++;
+    }
+    
+    List<String> positionsWrtToEvent1 = new ArrayList<>();
+    List<String> positionsWrtToEvent2 = new ArrayList<>();    
+    int tokensInSentence = JCasUtil.selectCovered(jCas, BaseToken.class, sent).size();
+    
+    for(int tokenIndex = 0; tokenIndex < tokensInSentence; tokenIndex++) {
+      
+      positionsWrtToEvent1.add(Integer.toString(tokenIndex - event1Position));
+      positionsWrtToEvent2.add(Integer.toString(tokenIndex - event2Position));
+    }
+
+    String tokensAsString = String.join(" ", tokens).replaceAll("[\r\n]", " ");
+    String distanceToTime = String.join(" ", positionsWrtToEvent1);
+    String distanceToEvent = String.join(" ", positionsWrtToEvent2);
+    
+    return tokensAsString + "|" + distanceToTime + "|" + distanceToEvent;
+  } 
+}