Revision: 15116
http://gate.svn.sourceforge.net/gate/?rev=15116&view=rev
Author: valyt
Date: 2012-01-18 16:30:37 +0000 (Wed, 18 Jan 2012)
Log Message:
-----------
Some sources.
Added Paths:
-----------
futures/orthoref/src/
futures/orthoref/src/gate/
futures/orthoref/src/gate/creole/
futures/orthoref/src/gate/creole/coref/
futures/orthoref/src/gate/creole/coref/CorefBase.java
Property Changed:
----------------
futures/orthoref/
Property changes on: futures/orthoref
___________________________________________________________________
Added: svn:ignore
+ classes
Added: futures/orthoref/src/gate/creole/coref/CorefBase.java
===================================================================
--- futures/orthoref/src/gate/creole/coref/CorefBase.java
(rev 0)
+++ futures/orthoref/src/gate/creole/coref/CorefBase.java 2012-01-18
16:30:37 UTC (rev 15116)
@@ -0,0 +1,89 @@
+/*
+ * OrthoRef.java
+ *
+ * Copyright (c) 1995-2010, The University of Sheffield. See the file
+ * COPYRIGHT.txt in the software or at http://gate.ac.uk/gate/COPYRIGHT.txt
+ *
+ * This file is part of GATE (see http://gate.ac.uk/), and is free
+ * software, licenced under the GNU Library General Public License,
+ * Version 2, June 1991 (in the distribution as file licence.html,
+ * and also available at http://gate.ac.uk/gate/licence.html).
+ *
+ * $Id$
+ */
+package gate.creole.coref;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import gate.Annotation;
+import gate.Utils;
+import gate.creole.AbstractLanguageAnalyser;
+import gate.creole.ExecutionException;
+import gate.creole.metadata.CreoleResource;
+
+@CreoleResource (comment = "An orthographic coreferencer")
+/**
+ * Base class for coreferencers. This class has no internal state, so it safe
to
+ * use in a multi-threaded environment. The same may not be true about
+ * subclasses: check their own documentation first!
+ */
+public abstract class CorefBase extends AbstractLanguageAnalyser {
+
+ /**
+ * Which annotation types are seen as anaphors
+ */
+ private Set<String> anaphorAnnotationTypes;
+
+ private String annotationSetName;
+
+ public abstract Set<String> anaphorTags(Annotation anaphor);
+
+ public abstract boolean matches(Annotation anaphor, Annotation antecedent);
+
+ @Override
+ public void execute() throws ExecutionException {
+ fireProgressChanged(1);
+ //collect all candidates
+ List<Annotation> anaphors = new ArrayList<Annotation>(
+ ((annotationSetName == null || annotationSetName.trim().length() == 0)
?
+ document.getAnnotations() :
+
document.getAnnotations(annotationSetName)).get(anaphorAnnotationTypes));
+ Collections.sort(anaphors, Utils.OFFSET_COMPARATOR);
+
+ Map<String, Annotation> tag2candidate = new HashMap<String, Annotation>();
+ Map<Annotation, String> anaphor2chain = new HashMap<Annotation, String>();
+
+ // for each candidate, check the hash map
+ for(Annotation anaphor : anaphors) {
+ Set<String> newTags = anaphorTags(anaphor);
+ for(String tag : newTags) {
+ Annotation candidate = tag2candidate.get(tag);
+ if(candidate != null && matches(anaphor, candidate)) {
+ // we have a match
+ String chainLabel = anaphor2chain.get(candidate);
+ if(chainLabel == null) {
+ // first match for this chain
+ chainLabel = Utils.contentFor(document, candidate).toString();
+ anaphor2chain.put(candidate, chainLabel);
+ }
+ anaphor2chain.put(anaphor, chainLabel);
+ }
+ }
+ }
+
+
+
+
+ fireProgressChanged(100);
+ fireProcessFinished();
+ }
+
+
+
+
+}
Property changes on: futures/orthoref/src/gate/creole/coref/CorefBase.java
___________________________________________________________________
Added: svn:keywords
+ Id
Added: svn:eol-style
+ native
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