use of edu.stanford.nlp.trees.tregex.TregexPattern in project CoreNLP by stanfordnlp.
the class CorefMentionFinder method getPleonasticPatterns.
private static TregexPattern[] getPleonasticPatterns() {
final String[] patterns = { // in practice, go with this one (best results)
"@NP < (PRP=m1 < it|IT|It) $.. (@VP < (/^V.*/ < /^(?i:is|was|be|becomes|become|became)$/ $.. (@VP < (VBN $.. @S|SBAR))))", "NP < (PRP=m1) $.. (VP < ((/^V.*/ < /^(?:is|was|become|became)/) $.. (ADJP $.. (/S|SBAR/))))", "NP < (PRP=m1) $.. (VP < ((/^V.*/ < /^(?:is|was|become|became)/) $.. (ADJP < (/S|SBAR/))))", "NP < (PRP=m1) $.. (VP < ((/^V.*/ < /^(?:is|was|become|became)/) $.. (NP < /S|SBAR/)))", "NP < (PRP=m1) $.. (VP < ((/^V.*/ < /^(?:is|was|become|became)/) $.. (NP $.. ADVP $.. /S|SBAR/)))", // these next 5 had buggy space in "$ ..", which I fixed
"NP < (PRP=m1) $.. (VP < (MD $.. (VP < ((/^V.*/ < /^(?:be|become)/) $.. (VP < (VBN $.. /S|SBAR/))))))", // extraposed. OK 1/2 correct; need non-adverbial case
"NP < (PRP=m1) $.. (VP < (MD $.. (VP < ((/^V.*/ < /^(?:be|become)/) $.. (ADJP $.. (/S|SBAR/))))))", // OK: 3/3 good matches on dev; but 3/4 wrong on WSJ
"NP < (PRP=m1) $.. (VP < (MD $.. (VP < ((/^V.*/ < /^(?:be|become)/) $.. (ADJP < (/S|SBAR/))))))", "NP < (PRP=m1) $.. (VP < (MD $.. (VP < ((/^V.*/ < /^(?:be|become)/) $.. (NP < /S|SBAR/)))))", "NP < (PRP=m1) $.. (VP < (MD $.. (VP < ((/^V.*/ < /^(?:be|become)/) $.. (NP $.. ADVP $.. /S|SBAR/)))))", "NP < (PRP=m1) $.. (VP < ((/^V.*/ < /^(?:seems|appears|means|follows)/) $.. /S|SBAR/))", "NP < (PRP=m1) $.. (VP < ((/^V.*/ < /^(?:turns|turned)/) $.. PRT $.. /S|SBAR/))" };
TregexPattern[] tgrepPatterns = new TregexPattern[patterns.length];
for (int i = 0; i < tgrepPatterns.length; i++) {
tgrepPatterns[i] = TregexPattern.compile(patterns[i]);
}
return tgrepPatterns;
}
use of edu.stanford.nlp.trees.tregex.TregexPattern in project CoreNLP by stanfordnlp.
the class HybridCorefMentionFinder method extractNPorPRP.
private static void extractNPorPRP(CoreMap s, List<Mention> mentions, Set<IntPair> mentionSpanSet, Set<IntPair> namedEntitySpanSet) {
List<CoreLabel> sent = s.get(CoreAnnotations.TokensAnnotation.class);
Tree tree = s.get(TreeCoreAnnotations.TreeAnnotation.class);
tree.indexLeaves();
SemanticGraph basicDependency = s.get(SemanticGraphCoreAnnotations.BasicDependenciesAnnotation.class);
SemanticGraph enhancedDependency = s.get(SemanticGraphCoreAnnotations.EnhancedDependenciesAnnotation.class);
if (enhancedDependency == null) {
enhancedDependency = s.get(SemanticGraphCoreAnnotations.BasicDependenciesAnnotation.class);
}
TregexPattern tgrepPattern = npOrPrpMentionPattern;
TregexMatcher matcher = tgrepPattern.matcher(tree);
while (matcher.find()) {
Tree t = matcher.getMatch();
List<Tree> mLeaves = t.getLeaves();
int beginIdx = ((CoreLabel) mLeaves.get(0).label()).get(CoreAnnotations.IndexAnnotation.class) - 1;
int endIdx = ((CoreLabel) mLeaves.get(mLeaves.size() - 1).label()).get(CoreAnnotations.IndexAnnotation.class);
// try not to have span that ends with ,
if (",".equals(sent.get(endIdx - 1).word())) {
endIdx--;
}
IntPair mSpan = new IntPair(beginIdx, endIdx);
// if(!mentionSpanSet.contains(mSpan) && (!insideNE(mSpan, namedEntitySpanSet)) ) {
if (!mentionSpanSet.contains(mSpan) && (!insideNE(mSpan, namedEntitySpanSet) || t.value().startsWith("PRP"))) {
int dummyMentionId = -1;
Mention m = new Mention(dummyMentionId, beginIdx, endIdx, sent, basicDependency, enhancedDependency, new ArrayList<>(sent.subList(beginIdx, endIdx)), t);
mentions.add(m);
mentionSpanSet.add(mSpan);
if (m.originalSpan.size() > 1) {
boolean isNE = true;
for (CoreLabel cl : m.originalSpan) {
if (!cl.tag().startsWith("NNP"))
isNE = false;
}
if (isNE) {
namedEntitySpanSet.add(mSpan);
}
}
}
}
}
use of edu.stanford.nlp.trees.tregex.TregexPattern in project CoreNLP by stanfordnlp.
the class RuleBasedCorefMentionFinder method extractNPorPRP.
public void extractNPorPRP(CoreMap s, List<Mention> mentions, Set<IntPair> mentionSpanSet, Set<IntPair> namedEntitySpanSet) {
List<CoreLabel> sent = s.get(CoreAnnotations.TokensAnnotation.class);
Tree tree = s.get(TreeCoreAnnotations.TreeAnnotation.class);
tree.indexLeaves();
SemanticGraph basicDependency = s.get(SemanticGraphCoreAnnotations.BasicDependenciesAnnotation.class);
SemanticGraph enhancedDependency = s.get(SemanticGraphCoreAnnotations.EnhancedDependenciesAnnotation.class);
if (enhancedDependency == null) {
enhancedDependency = s.get(SemanticGraphCoreAnnotations.BasicDependenciesAnnotation.class);
}
TregexPattern tgrepPattern = npOrPrpMentionPattern;
TregexMatcher matcher = tgrepPattern.matcher(tree);
while (matcher.find()) {
Tree t = matcher.getMatch();
List<Tree> mLeaves = t.getLeaves();
int beginIdx = ((CoreLabel) mLeaves.get(0).label()).get(CoreAnnotations.IndexAnnotation.class) - 1;
int endIdx = ((CoreLabel) mLeaves.get(mLeaves.size() - 1).label()).get(CoreAnnotations.IndexAnnotation.class);
//if (",".equals(sent.get(endIdx-1).word())) { endIdx--; } // try not to have span that ends with ,
IntPair mSpan = new IntPair(beginIdx, endIdx);
if (!mentionSpanSet.contains(mSpan) && (lang == Locale.CHINESE || !insideNE(mSpan, namedEntitySpanSet))) {
// if(!mentionSpanSet.contains(mSpan) && (!insideNE(mSpan, namedEntitySpanSet) || t.value().startsWith("PRP")) ) {
int dummyMentionId = -1;
Mention m = new Mention(dummyMentionId, beginIdx, endIdx, sent, basicDependency, enhancedDependency, new ArrayList<>(sent.subList(beginIdx, endIdx)), t);
mentions.add(m);
mentionSpanSet.add(mSpan);
// if(m.originalSpan.size() > 1) {
// boolean isNE = true;
// for(CoreLabel cl : m.originalSpan) {
// if(!cl.tag().startsWith("NNP")) isNE = false;
// }
// if(isNE) {
// namedEntitySpanSet.add(mSpan);
// }
// }
}
}
}
use of edu.stanford.nlp.trees.tregex.TregexPattern in project CoreNLP by stanfordnlp.
the class RuleBasedCorefMentionFinder method extractEnumerations.
protected static void extractEnumerations(CoreMap s, List<Mention> mentions, Set<IntPair> mentionSpanSet, Set<IntPair> namedEntitySpanSet) {
List<CoreLabel> sent = s.get(CoreAnnotations.TokensAnnotation.class);
Tree tree = s.get(TreeCoreAnnotations.TreeAnnotation.class);
SemanticGraph dependency = s.get(SemanticGraphCoreAnnotations.EnhancedDependenciesAnnotation.class);
TregexPattern tgrepPattern = enumerationsMentionPattern;
TregexMatcher matcher = tgrepPattern.matcher(tree);
Map<IntPair, Tree> spanToMentionSubTree = Generics.newHashMap();
while (matcher.find()) {
matcher.getMatch();
Tree m1 = matcher.getNode("m1");
Tree m2 = matcher.getNode("m2");
List<Tree> mLeaves = m1.getLeaves();
int beginIdx = ((CoreLabel) mLeaves.get(0).label()).get(CoreAnnotations.IndexAnnotation.class) - 1;
int endIdx = ((CoreLabel) mLeaves.get(mLeaves.size() - 1).label()).get(CoreAnnotations.IndexAnnotation.class);
spanToMentionSubTree.put(new IntPair(beginIdx, endIdx), m1);
mLeaves = m2.getLeaves();
beginIdx = ((CoreLabel) mLeaves.get(0).label()).get(CoreAnnotations.IndexAnnotation.class) - 1;
endIdx = ((CoreLabel) mLeaves.get(mLeaves.size() - 1).label()).get(CoreAnnotations.IndexAnnotation.class);
spanToMentionSubTree.put(new IntPair(beginIdx, endIdx), m2);
}
for (IntPair mSpan : spanToMentionSubTree.keySet()) {
if (!mentionSpanSet.contains(mSpan) && !insideNE(mSpan, namedEntitySpanSet)) {
int dummyMentionId = -1;
Mention m = new Mention(dummyMentionId, mSpan.get(0), mSpan.get(1), dependency, new ArrayList<>(sent.subList(mSpan.get(0), mSpan.get(1))), spanToMentionSubTree.get(mSpan));
mentions.add(m);
mentionSpanSet.add(mSpan);
}
}
}
use of edu.stanford.nlp.trees.tregex.TregexPattern in project CoreNLP by stanfordnlp.
the class RuleBasedCorefMentionFinder method getPleonasticPatterns.
private static TregexPattern[] getPleonasticPatterns() {
final String[] patterns = { // in practice, go with this one (best results)
"@NP < (PRP=m1 < it|IT|It) $.. (@VP < (/^V.*/ < /^(?i:is|was|be|becomes|become|became)$/ $.. (@VP < (VBN $.. @S|SBAR))))", "NP < (PRP=m1) $.. (VP < ((/^V.*/ < /^(?:is|was|become|became)/) $.. (ADJP $.. (/S|SBAR/))))", "NP < (PRP=m1) $.. (VP < ((/^V.*/ < /^(?:is|was|become|became)/) $.. (ADJP < (/S|SBAR/))))", "NP < (PRP=m1) $.. (VP < ((/^V.*/ < /^(?:is|was|become|became)/) $.. (NP < /S|SBAR/)))", "NP < (PRP=m1) $.. (VP < ((/^V.*/ < /^(?:is|was|become|became)/) $.. (NP $.. ADVP $.. /S|SBAR/)))", // these next 5 had buggy space in "$ ..", which I fixed
"NP < (PRP=m1) $.. (VP < (MD $.. (VP < ((/^V.*/ < /^(?:be|become)/) $.. (VP < (VBN $.. /S|SBAR/))))))", // extraposed. OK 1/2 correct; need non-adverbial case
"NP < (PRP=m1) $.. (VP < (MD $.. (VP < ((/^V.*/ < /^(?:be|become)/) $.. (ADJP $.. (/S|SBAR/))))))", // OK: 3/3 good matches on dev; but 3/4 wrong on WSJ
"NP < (PRP=m1) $.. (VP < (MD $.. (VP < ((/^V.*/ < /^(?:be|become)/) $.. (ADJP < (/S|SBAR/))))))", "NP < (PRP=m1) $.. (VP < (MD $.. (VP < ((/^V.*/ < /^(?:be|become)/) $.. (NP < /S|SBAR/)))))", "NP < (PRP=m1) $.. (VP < (MD $.. (VP < ((/^V.*/ < /^(?:be|become)/) $.. (NP $.. ADVP $.. /S|SBAR/)))))", "NP < (PRP=m1) $.. (VP < ((/^V.*/ < /^(?:seems|appears|means|follows)/) $.. /S|SBAR/))", "NP < (PRP=m1) $.. (VP < ((/^V.*/ < /^(?:turns|turned)/) $.. PRT $.. /S|SBAR/))" };
TregexPattern[] tgrepPatterns = new TregexPattern[patterns.length];
for (int i = 0; i < tgrepPatterns.length; i++) {
tgrepPatterns[i] = TregexPattern.compile(patterns[i]);
}
return tgrepPatterns;
}
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