svn commit: r1410098 - /incubator/ctakes/site/trunk/content/ctakes/2.6.0/ctakes-2.6-LVG.mdtext

[bl...@apache.org]

Author: bleeker
Date: Thu Nov 15 23:08:49 2012
New Revision: 1410098

URL: http://svn.apache.org/viewvc?rev=1410098&view=rev
Log:
CMS commit to ctakes by bleeker

Added:
    incubator/ctakes/site/trunk/content/ctakes/2.6.0/ctakes-2.6-LVG.mdtext   (with props)

Added: incubator/ctakes/site/trunk/content/ctakes/2.6.0/ctakes-2.6-LVG.mdtext
URL: http://svn.apache.org/viewvc/incubator/ctakes/site/trunk/content/ctakes/2.6.0/ctakes-2.6-LVG.mdtext?rev=1410098&view=auto
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--- incubator/ctakes/site/trunk/content/ctakes/2.6.0/ctakes-2.6-LVG.mdtext (added)
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+Title:     cTAKES 2.6 LVG
+Notice:    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.
+
+# cTAKES 2.6 - LVG
+
+## Overview of LVG
+
+This annotator wraps the National Library of Medicine (NLM) [SPECIALIST lexical tools](http://lexsrv2.nlm.nih.gov/LexSysGroup/Projects/lvg/current/web/index.html).
+It generates a canonical form for words and also generates a
+list of lemma entries with Penn Treebank tags. These tags could be useful for
+a part of speech (POS) tagger. However, for the OpenNLP POS tagger, we use a
+tag dictionary rather than lemma information.
+
+Refer to the documentation for the POS tagger annotator.
+
+## Analysis engines (annotator) - LvgAnnotator.xml
+
+### Parameters
+
+UseSegments
+
+controls whether only certain sections will be annotated by this annotator
+
+SegmentsToSkip
+
+list of sections not to be processed by this annotator
+
+UseCmdCache
+
+controls whether to look up information in a cache before using norm
+
+CmdCacheFileLocation
+
+location of norm cache file
+
+CmdCacheFrequencyCutoff
+
+(cutoff value)
+
+ExclusionSet
+
+words for which canonicalForm is never set and Lemma entries are never posted
+
+XeroxTreebankMap
+
+mapping of part of speech tags used by LVG to POS tags from lexical tools to
+Penn Treebank tags
+
+PostLemmas
+
+controls whether any lemma entries are posted to the CAS
+
+UseLemmaCache
+
+controls whether to look up lemma information in a cache before using lvg
+
+LemmaCacheFileLocation
+
+the location of the cache file
+
+LemmaCacheFileFrequencyCutoff
+
+(cutoff value)
+
+### Resources
+
+  * lvg.properties - The LVG config file resources/lvg/data/config/lvg.properties defines the location and attributes of the LVG database and the jdbc driver used.
+  * LVG database - The database engine used is hsqldb. The database file included is a sample. Refer to the [LVG section of the install instructions](/display/VKC/cTAKES+2.6+User+Install+Instructions#cTAKES25UserInstallInstructions-LVG) for details on how to replace the sample.
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