Author: clin
Date: Tue Oct 29 21:58:42 2013
New Revision: 1536904
URL: http://svn.apache.org/r1536904
Log:
add nearby DateAnnotation and TimeAnnotation of an event for DocTimeRel
classification
Added:
ctakes/trunk/ctakes-temporal/src/main/java/org/apache/ctakes/temporal/ae/feature/TimeXExtractor.java
(with props)
Added:
ctakes/trunk/ctakes-temporal/src/main/java/org/apache/ctakes/temporal/ae/feature/TimeXExtractor.java
URL:
http://svn.apache.org/viewvc/ctakes/trunk/ctakes-temporal/src/main/java/org/apache/ctakes/temporal/ae/feature/TimeXExtractor.java?rev=1536904&view=auto
==============================================================================
---
ctakes/trunk/ctakes-temporal/src/main/java/org/apache/ctakes/temporal/ae/feature/TimeXExtractor.java
(added)
+++
ctakes/trunk/ctakes-temporal/src/main/java/org/apache/ctakes/temporal/ae/feature/TimeXExtractor.java
Tue Oct 29 21:58:42 2013
@@ -0,0 +1,156 @@
+/**
+ * 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.ae.feature;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+import java.util.TreeMap;
+//import java.util.logging.Logger;
+
+//import org.apache.ctakes.temporal.ae.feature.treekernel.TemporalPETExtractor;
+//import
org.apache.ctakes.temporal.ae.feature.treekernel.TemporalSingleTreeExtractor;
+import org.apache.ctakes.typesystem.type.syntax.TreebankNode;
+import org.apache.ctakes.typesystem.type.textsem.DateAnnotation;
+import org.apache.ctakes.typesystem.type.textsem.EventMention;
+import org.apache.ctakes.typesystem.type.textsem.IdentifiedAnnotation;
+import org.apache.ctakes.typesystem.type.textsem.TimeAnnotation;
+import org.apache.ctakes.typesystem.type.textsem.TimeMention;
+import org.apache.ctakes.typesystem.type.textspan.Sentence;
+import org.apache.uima.analysis_engine.AnalysisEngineProcessException;
+import org.apache.uima.jcas.JCas;
+import org.apache.uima.jcas.tcas.Annotation;
+import org.apache.uima.resource.ResourceInitializationException;
+import org.cleartk.classifier.Feature;
+import org.cleartk.classifier.feature.extractor.CleartkExtractorException;
+import org.cleartk.classifier.feature.extractor.simple.SimpleFeatureExtractor;
+import org.uimafit.util.JCasUtil;
+
+public class TimeXExtractor implements SimpleFeatureExtractor {
+
+ private String name;
+// private TemporalPETExtractor path;
+ private TemporalAttributeFeatureExtractor attr;
+ private TimeWordTypeExtractor timewd;
+// private TemporalSingleTreeExtractor treeExt;
+
+// private Logger logger = Logger.getLogger(this.getClass().getName());
+
+ public TimeXExtractor() throws ResourceInitializationException {
+ super();
+ this.name = "TimeXFeature";
+// this.path = new TemporalPETExtractor();
+ this.attr = new TemporalAttributeFeatureExtractor();
+ this.timewd = new TimeWordTypeExtractor();
+// this.treeExt = new TemporalSingleTreeExtractor();
+ }
+
+ @Override
+ public List<Feature> extract(JCas view, Annotation annotation) throws
CleartkExtractorException {
+ List<Feature> features = new ArrayList<Feature>();
+
+ //1 get covering sentence:
+ Map<EventMention, Collection<Sentence>> coveringMap =
+ JCasUtil.indexCovering(view, EventMention.class,
Sentence.class);
+ EventMention targetTokenAnnotation = (EventMention)annotation;
+ Collection<Sentence> sentList =
coveringMap.get(targetTokenAnnotation);
+
+ //2 get TimeX
+ Map<Integer, IdentifiedAnnotation> timeDistMap = null;
+
+// List<Feature> treePath = new ArrayList<Feature>();
+
+ //3 get Document Creation Time
+// String sofastr = view.getSofaDataString();
+// int start = sofastr.indexOf("meta rev_date=");
+// int end = sofastr.indexOf(" start_date=");
+// System.out.println(sofastr.substring(start, end));
+// Collection<SourceData> sources = JCasUtil.select(view,
SourceData.class);
+// for(SourceData source : sources){
+// System.out.println("original date:
"+source.getSourceOriginalDate());
+// System.out.println("revision date:
"+source.getSourceRevisionDate());
+// }
+
+ if (sentList != null && !sentList.isEmpty()){
+ timeDistMap = new TreeMap<Integer, IdentifiedAnnotation>();
+
+ for(Sentence sent : sentList) {
+ for (TimeMention time : JCasUtil.selectCovered(view,
TimeMention.class, sent)) {
+ timeDistMap.put(Math.abs(time.getBegin() -
annotation.getBegin()), time);
+ }
+ for (TimeAnnotation time :
JCasUtil.selectCovered(view, TimeAnnotation.class, sent)) {
+ timeDistMap.put(Math.abs(time.getBegin() -
annotation.getBegin()), time);
+ }
+ for (DateAnnotation time :
JCasUtil.selectCovered(view, DateAnnotation.class, sent)) {
+ timeDistMap.put(Math.abs(time.getBegin() -
annotation.getBegin()), time);
+ }
+ }
+
+ //get the closest Time Expression feature
+ for (Map.Entry<Integer, IdentifiedAnnotation> entry :
timeDistMap.entrySet()) {
+ Feature feature = new Feature(this.name,
entry.getValue().getCoveredText());
+ features.add(feature);
+ // logger.info("add time
feature: "+ entry.getValue().getCoveredText() +
entry.getValue().getTimeClass());
+ Feature indicator = new Feature("TimeXNearby",
this.name);
+ features.add(indicator);
+ Feature type = new Feature("TimeXType",
entry.getValue().getClass());
+ features.add(type);
+
+ //add PP get Heading preposition
+ for(TreebankNode treebankNode :
JCasUtil.selectCovering(
+ view,
+ TreebankNode.class,
+ entry.getValue().getBegin(),
+ entry.getValue().getEnd())) {
+
+ if(treebankNode.getNodeType().equals("PP")) {
+ Feature PPNodeType = new
Feature("Timex_PPNodeType", treebankNode.getNodeType());
+ features.add(PPNodeType);
+ break;
+ }
+ }
+
+ //add path tree, timex attributes
+ try {
+// treePath=this.path.extract(view,
targetTokenAnnotation, entry.getValue());//add path between timex and event
+ features.addAll(this.attr.extract(view,
targetTokenAnnotation, entry.getValue()));//add temporal attribute features
+ features.addAll(this.timewd.extract(view,
entry.getValue()));
+ } catch (AnalysisEngineProcessException e) {
+ throw new
IllegalArgumentException(String.format("error in gererating path feature:",
features));
+ }
+ break;
+ }
+ }
+
+// if (treePath.isEmpty()){
+// try {
+// features.addAll(this.treeExt.extract(view,
targetTokenAnnotation));
+// } catch (AnalysisEngineProcessException e) {
+// throw new
IllegalArgumentException(String.format("error in gererating path feature:",
features));
+// }
+// }else{
+// features.addAll(treePath);
+// }
+
+
+ return features;
+ }
+
+}
Propchange:
ctakes/trunk/ctakes-temporal/src/main/java/org/apache/ctakes/temporal/ae/feature/TimeXExtractor.java
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