Examples with CoreLabel edu.stanford.nlp.ling.CoreLabel used on opensource projects

Example 66 with CoreLabel

use of edu.stanford.nlp.ling.CoreLabel in project CoreNLP by stanfordnlp.

the class NeuralCorefDataExporter method getSentenceArray.

private static JsonArray getSentenceArray(List<CoreLabel> sentence) {
    JsonArrayBuilder sentenceBuilder = Json.createArrayBuilder();
    sentence.stream().map(CoreLabel::word).map(w -> w.equals("/.") ? "." : w).map(w -> w.equals("/?") ? "?" : w).forEach(sentenceBuilder::add);
    return sentenceBuilder.build();
}

Example 67 with CoreLabel

use of edu.stanford.nlp.ling.CoreLabel in project CoreNLP by stanfordnlp.

the class FeatureExtractor method getFeatures.

private Counter<String> getFeatures(Document doc, Mention m1, Mention m2) {
    assert (m1.appearEarlierThan(m2));
    Counter<String> features = new ClassicCounter<>();
    // global features
    features.incrementCount("bias");
    if (useDocSource) {
        features.incrementCount("doc-type=" + doc.docType);
        if (doc.docInfo != null && doc.docInfo.containsKey("DOC_ID")) {
            features.incrementCount("doc-source=" + doc.docInfo.get("DOC_ID").split("/")[1]);
        }
    }
    // singleton feature conjunctions
    List<String> singletonFeatures1 = m1.getSingletonFeatures(dictionaries);
    List<String> singletonFeatures2 = m2.getSingletonFeatures(dictionaries);
    for (Map.Entry<Integer, String> e : SINGLETON_FEATURES.entrySet()) {
        if (e.getKey() < singletonFeatures1.size() && e.getKey() < singletonFeatures2.size()) {
            features.incrementCount(e.getValue() + "=" + singletonFeatures1.get(e.getKey()) + "_" + singletonFeatures2.get(e.getKey()));
        }
    }
    SemanticGraphEdge p1 = getDependencyParent(m1);
    SemanticGraphEdge p2 = getDependencyParent(m2);
    features.incrementCount("dep-relations=" + (p1 == null ? "null" : p1.getRelation()) + "_" + (p2 == null ? "null" : p2.getRelation()));
    features.incrementCount("roles=" + getRole(m1) + "_" + getRole(m2));
    CoreLabel headCL1 = headWord(m1);
    CoreLabel headCL2 = headWord(m2);
    String headPOS1 = getPOS(headCL1);
    String headPOS2 = getPOS(headCL2);
    features.incrementCount("head-pos-s=" + headPOS1 + "_" + headPOS2);
    features.incrementCount("head-words=" + wordIndicator("h_" + headCL1.word().toLowerCase() + "_" + headCL2.word().toLowerCase(), headPOS1 + "_" + headPOS2));
    // agreement features
    addFeature(features, "animacies-agree", m2.animaciesAgree(m1));
    addFeature(features, "attributes-agree", m2.attributesAgree(m1, dictionaries));
    addFeature(features, "entity-types-agree", m2.entityTypesAgree(m1, dictionaries));
    addFeature(features, "numbers-agree", m2.numbersAgree(m1));
    addFeature(features, "genders-agree", m2.gendersAgree(m1));
    addFeature(features, "ner-strings-equal", m1.nerString.equals(m2.nerString));
    // string matching features
    addFeature(features, "antecedent-head-in-anaphor", headContainedIn(m1, m2));
    addFeature(features, "anaphor-head-in-antecedent", headContainedIn(m2, m1));
    if (m1.mentionType != MentionType.PRONOMINAL && m2.mentionType != MentionType.PRONOMINAL) {
        addFeature(features, "antecedent-in-anaphor", m2.spanToString().toLowerCase().contains(m1.spanToString().toLowerCase()));
        addFeature(features, "anaphor-in-antecedent", m1.spanToString().toLowerCase().contains(m2.spanToString().toLowerCase()));
        addFeature(features, "heads-equal", m1.headString.equalsIgnoreCase(m2.headString));
        addFeature(features, "heads-agree", m2.headsAgree(m1));
        addFeature(features, "exact-match", m1.toString().trim().toLowerCase().equals(m2.toString().trim().toLowerCase()));
        addFeature(features, "partial-match", relaxedStringMatch(m1, m2));
        double editDistance = StringUtils.editDistance(m1.spanToString(), m2.spanToString()) / (double) (m1.spanToString().length() + m2.spanToString().length());
        features.incrementCount("edit-distance", editDistance);
        features.incrementCount("edit-distance=" + ((int) (editDistance * 10) / 10.0));
        double headEditDistance = StringUtils.editDistance(m1.headString, m2.headString) / (double) (m1.headString.length() + m2.headString.length());
        features.incrementCount("head-edit-distance", headEditDistance);
        features.incrementCount("head-edit-distance=" + ((int) (headEditDistance * 10) / 10.0));
    }
    // distance features
    addNumeric(features, "mention-distance", m2.mentionNum - m1.mentionNum);
    addNumeric(features, "sentence-distance", m2.sentNum - m1.sentNum);
    if (m2.sentNum == m1.sentNum) {
        addNumeric(features, "word-distance", m2.startIndex - m1.endIndex);
        if (m1.endIndex > m2.startIndex) {
            features.incrementCount("spans-intersect");
        }
    }
    // setup for dcoref features
    Set<Mention> ms1 = new HashSet<>();
    ms1.add(m1);
    Set<Mention> ms2 = new HashSet<>();
    ms2.add(m2);
    Random r = new Random();
    CorefCluster c1 = new CorefCluster(20000 + r.nextInt(10000), ms1);
    CorefCluster c2 = new CorefCluster(10000 + r.nextInt(10000), ms2);
    String s2 = m2.lowercaseNormalizedSpanString();
    String s1 = m1.lowercaseNormalizedSpanString();
    // discourse dcoref features
    addFeature(features, "mention-speaker-PER0", m2.headWord.get(SpeakerAnnotation.class).equalsIgnoreCase("PER0"));
    addFeature(features, "antecedent-is-anaphor-speaker", CorefRules.antecedentIsMentionSpeaker(doc, m2, m1, dictionaries));
    addFeature(features, "same-speaker", CorefRules.entitySameSpeaker(doc, m2, m1));
    addFeature(features, "person-disagree-same-speaker", CorefRules.entityPersonDisagree(doc, m2, m1, dictionaries) && CorefRules.entitySameSpeaker(doc, m2, m1));
    addFeature(features, "antecedent-matches-anaphor-speaker", CorefRules.antecedentMatchesMentionSpeakerAnnotation(m2, m1, doc));
    addFeature(features, "discourse-you-PER0", m2.person == Person.YOU && doc.docType == DocType.ARTICLE && m2.headWord.get(CoreAnnotations.SpeakerAnnotation.class).equals("PER0"));
    addFeature(features, "speaker-match-i-i", m2.number == Number.SINGULAR && dictionaries.firstPersonPronouns.contains(s1) && m1.number == Number.SINGULAR && dictionaries.firstPersonPronouns.contains(s2) && CorefRules.entitySameSpeaker(doc, m2, m1));
    addFeature(features, "speaker-match-speaker-i", m2.number == Number.SINGULAR && dictionaries.firstPersonPronouns.contains(s2) && CorefRules.antecedentIsMentionSpeaker(doc, m2, m1, dictionaries));
    addFeature(features, "speaker-match-i-speaker", m1.number == Number.SINGULAR && dictionaries.firstPersonPronouns.contains(s1) && CorefRules.antecedentIsMentionSpeaker(doc, m1, m2, dictionaries));
    addFeature(features, "speaker-match-you-you", dictionaries.secondPersonPronouns.contains(s1) && dictionaries.secondPersonPronouns.contains(s2) && CorefRules.entitySameSpeaker(doc, m2, m1));
    addFeature(features, "discourse-between-two-person", ((m2.person == Person.I && m1.person == Person.YOU || (m2.person == Person.YOU && m1.person == Person.I)) && (m2.headWord.get(CoreAnnotations.UtteranceAnnotation.class) - m1.headWord.get(CoreAnnotations.UtteranceAnnotation.class) == 1) && doc.docType == DocType.CONVERSATION));
    addFeature(features, "incompatible-not-match", m1.person != Person.I && m2.person != Person.I && (CorefRules.antecedentIsMentionSpeaker(doc, m1, m2, dictionaries) || CorefRules.antecedentIsMentionSpeaker(doc, m2, m1, dictionaries)));
    int utteranceDist = Math.abs(m1.headWord.get(CoreAnnotations.UtteranceAnnotation.class) - m2.headWord.get(CoreAnnotations.UtteranceAnnotation.class));
    if (doc.docType != DocType.ARTICLE && utteranceDist == 1 && !CorefRules.entitySameSpeaker(doc, m2, m1)) {
        addFeature(features, "speaker-mismatch-i-i", m1.person == Person.I && m2.person == Person.I);
        addFeature(features, "speaker-mismatch-you-you", m1.person == Person.YOU && m2.person == Person.YOU);
        addFeature(features, "speaker-mismatch-we-we", m1.person == Person.WE && m2.person == Person.WE);
    }
    // other dcoref features
    String firstWord1 = firstWord(m1).word().toLowerCase();
    addFeature(features, "indefinite-article-np", (m1.appositions == null && m1.predicateNominatives == null && (firstWord1.equals("a") || firstWord1.equals("an"))));
    addFeature(features, "far-this", m2.lowercaseNormalizedSpanString().equals("this") && Math.abs(m2.sentNum - m1.sentNum) > 3);
    addFeature(features, "per0-you-in-article", m2.person == Person.YOU && doc.docType == DocType.ARTICLE && m2.headWord.get(CoreAnnotations.SpeakerAnnotation.class).equals("PER0"));
    addFeature(features, "inside-in", m2.insideIn(m1) || m1.insideIn(m2));
    addFeature(features, "indefinite-determiners", dictionaries.indefinitePronouns.contains(m1.originalSpan.get(0).lemma()) || dictionaries.indefinitePronouns.contains(m2.originalSpan.get(0).lemma()));
    addFeature(features, "entity-attributes-agree", CorefRules.entityAttributesAgree(c2, c1));
    addFeature(features, "entity-token-distance", CorefRules.entityTokenDistance(m2, m1));
    addFeature(features, "i-within-i", CorefRules.entityIWithinI(m2, m1, dictionaries));
    addFeature(features, "exact-string-match", CorefRules.entityExactStringMatch(c2, c1, dictionaries, doc.roleSet));
    addFeature(features, "entity-relaxed-heads-agree", CorefRules.entityRelaxedHeadsAgreeBetweenMentions(c2, c1, m2, m1));
    addFeature(features, "is-acronym", CorefRules.entityIsAcronym(doc, c2, c1));
    addFeature(features, "demonym", m2.isDemonym(m1, dictionaries));
    addFeature(features, "incompatible-modifier", CorefRules.entityHaveIncompatibleModifier(m2, m1));
    addFeature(features, "head-lemma-match", m1.headWord.lemma().equals(m2.headWord.lemma()));
    addFeature(features, "words-included", CorefRules.entityWordsIncluded(c2, c1, m2, m1));
    addFeature(features, "extra-proper-noun", CorefRules.entityHaveExtraProperNoun(m2, m1, new HashSet<>()));
    addFeature(features, "number-in-later-mentions", CorefRules.entityNumberInLaterMention(m2, m1));
    addFeature(features, "sentence-context-incompatible", CorefRules.sentenceContextIncompatible(m2, m1, dictionaries));
    // syntax features
    if (useConstituencyParse) {
        if (m1.sentNum == m2.sentNum) {
            int clauseCount = 0;
            Tree tree = m2.contextParseTree;
            Tree current = m2.mentionSubTree;
            while (true) {
                current = current.ancestor(1, tree);
                if (current.label().value().startsWith("S")) {
                    clauseCount++;
                }
                if (current.dominates(m1.mentionSubTree)) {
                    break;
                }
                if (current.label().value().equals("ROOT") || current.ancestor(1, tree) == null) {
                    break;
                }
            }
            features.incrementCount("clause-count", clauseCount);
            features.incrementCount("clause-count=" + bin(clauseCount));
        }
        if (RuleBasedCorefMentionFinder.isPleonastic(m2, m2.contextParseTree) || RuleBasedCorefMentionFinder.isPleonastic(m1, m1.contextParseTree)) {
            features.incrementCount("pleonastic-it");
        }
        if (maximalNp(m1.mentionSubTree) == maximalNp(m2.mentionSubTree)) {
            features.incrementCount("same-maximal-np");
        }
        boolean m1Embedded = headEmbeddingLevel(m1.mentionSubTree, m1.headIndex - m1.startIndex) > 1;
        boolean m2Embedded = headEmbeddingLevel(m2.mentionSubTree, m2.headIndex - m2.startIndex) > 1;
        features.incrementCount("embedding=" + m1Embedded + "_" + m2Embedded);
    }
    return features;
}

Example 68 with CoreLabel

use of edu.stanford.nlp.ling.CoreLabel in project CoreNLP by stanfordnlp.

the class FeatureExtractor method getPropers.

private static Set<String> getPropers(Mention m) {
    Set<String> propers = new HashSet<>();
    for (int i = m.startIndex; i < m.endIndex; i++) {
        CoreLabel cl = m.sentenceWords.get(i);
        String POS = cl.get(CoreAnnotations.PartOfSpeechAnnotation.class);
        String word = cl.word().toLowerCase();
        if (PROPERS.contains(POS)) {
            propers.add(word);
        }
    }
    return propers;
}

Example 69 with CoreLabel

use of edu.stanford.nlp.ling.CoreLabel in project CoreNLP by stanfordnlp.

the class FeatureExtractor method getFeatures.

private Counter<String> getFeatures(Document doc, Mention m, Map<Integer, List<Mention>> mentionsByHeadIndex) {
    Counter<String> features = new ClassicCounter<>();
    // type features
    features.incrementCount("mention-type=" + m.mentionType);
    features.incrementCount("gender=" + m.gender);
    features.incrementCount("person-fine=" + m.person);
    features.incrementCount("head-ne-type=" + m.nerString);
    List<String> singletonFeatures = m.getSingletonFeatures(dictionaries);
    for (Map.Entry<Integer, String> e : SINGLETON_FEATURES.entrySet()) {
        if (e.getKey() < singletonFeatures.size()) {
            features.incrementCount(e.getValue() + "=" + singletonFeatures.get(e.getKey()));
        }
    }
    // length and location features
    addNumeric(features, "mention-length", m.spanToString().length());
    addNumeric(features, "mention-words", m.originalSpan.size());
    addNumeric(features, "sentence-words", m.sentenceWords.size());
    features.incrementCount("sentence-words=" + bin(m.sentenceWords.size()));
    features.incrementCount("mention-position", m.mentionNum / (double) doc.predictedMentions.size());
    features.incrementCount("sentence-position", m.sentNum / (double) doc.numSentences);
    // lexical features
    CoreLabel firstWord = firstWord(m);
    CoreLabel lastWord = lastWord(m);
    CoreLabel headWord = headWord(m);
    CoreLabel prevWord = prevWord(m);
    CoreLabel nextWord = nextWord(m);
    CoreLabel prevprevWord = prevprevWord(m);
    CoreLabel nextnextWord = nextnextWord(m);
    String headPOS = getPOS(headWord);
    String firstPOS = getPOS(firstWord);
    String lastPOS = getPOS(lastWord);
    String prevPOS = getPOS(prevWord);
    String nextPOS = getPOS(nextWord);
    String prevprevPOS = getPOS(prevprevWord);
    String nextnextPOS = getPOS(nextnextWord);
    features.incrementCount("first-word=" + wordIndicator(firstWord, firstPOS));
    features.incrementCount("last-word=" + wordIndicator(lastWord, lastPOS));
    features.incrementCount("head-word=" + wordIndicator(headWord, headPOS));
    features.incrementCount("next-word=" + wordIndicator(nextWord, nextPOS));
    features.incrementCount("prev-word=" + wordIndicator(prevWord, prevPOS));
    features.incrementCount("next-bigram=" + wordIndicator(nextWord, nextnextWord, nextPOS + "_" + nextnextPOS));
    features.incrementCount("prev-bigram=" + wordIndicator(prevprevWord, prevWord, prevprevPOS + "_" + prevPOS));
    features.incrementCount("next-pos=" + nextPOS);
    features.incrementCount("prev-pos=" + prevPOS);
    features.incrementCount("first-pos=" + firstPOS);
    features.incrementCount("last-pos=" + lastPOS);
    features.incrementCount("next-pos-bigram=" + nextPOS + "_" + nextnextPOS);
    features.incrementCount("prev-pos-bigram=" + prevprevPOS + "_" + prevPOS);
    addDependencyFeatures(features, "parent", getDependencyParent(m), true);
    addFeature(features, "ends-with-head", m.headIndex == m.endIndex - 1);
    addFeature(features, "is-generic", m.originalSpan.size() == 1 && firstPOS.equals("NNS"));
    // syntax features
    IndexedWord w = m.headIndexedWord;
    String depPath = "";
    int depth = 0;
    while (w != null) {
        SemanticGraphEdge e = getDependencyParent(m, w);
        depth++;
        if (depth <= 3 && e != null) {
            depPath += (depPath.isEmpty() ? "" : "_") + e.getRelation().toString();
            features.incrementCount("dep-path=" + depPath);
            w = e.getSource();
        } else {
            w = null;
        }
    }
    if (useConstituencyParse) {
        int fullEmbeddingLevel = headEmbeddingLevel(m.contextParseTree, m.headIndex);
        int mentionEmbeddingLevel = headEmbeddingLevel(m.mentionSubTree, m.headIndex - m.startIndex);
        if (fullEmbeddingLevel != -1 && mentionEmbeddingLevel != -1) {
            features.incrementCount("mention-embedding-level=" + bin(fullEmbeddingLevel - mentionEmbeddingLevel));
            features.incrementCount("head-embedding-level=" + bin(mentionEmbeddingLevel));
        } else {
            features.incrementCount("undetermined-embedding-level");
        }
        features.incrementCount("num-embedded-nps=" + bin(numEmbeddedNps(m.mentionSubTree)));
        String syntaxPath = "";
        Tree tree = m.contextParseTree;
        Tree head = tree.getLeaves().get(m.headIndex).ancestor(1, tree);
        depth = 0;
        for (Tree node : tree.pathNodeToNode(head, tree)) {
            syntaxPath += node.value() + "-";
            features.incrementCount("syntax-path=" + syntaxPath);
            depth++;
            if (depth >= 4 || node.value().equals("S")) {
                break;
            }
        }
    }
    // mention containment features
    addFeature(features, "contained-in-other-mention", mentionsByHeadIndex.get(m.headIndex).stream().anyMatch(m2 -> m != m2 && m.insideIn(m2)));
    addFeature(features, "contains-other-mention", mentionsByHeadIndex.get(m.headIndex).stream().anyMatch(m2 -> m != m2 && m2.insideIn(m)));
    // features from dcoref rules
    addFeature(features, "bare-plural", m.originalSpan.size() == 1 && headPOS.equals("NNS"));
    addFeature(features, "quantifier-start", dictionaries.quantifiers.contains(firstWord.word().toLowerCase()));
    addFeature(features, "negative-start", firstWord.word().toLowerCase().matches("none|no|nothing|not"));
    addFeature(features, "partitive", RuleBasedCorefMentionFinder.partitiveRule(m, m.sentenceWords, dictionaries));
    addFeature(features, "adjectival-demonym", dictionaries.isAdjectivalDemonym(m.spanToString()));
    if (doc.docType != DocType.ARTICLE && m.person == Person.YOU && nextWord != null && nextWord.word().equalsIgnoreCase("know")) {
        features.incrementCount("generic-you");
    }
    return features;
}

Example 70 with CoreLabel

use of edu.stanford.nlp.ling.CoreLabel in project CoreNLP by stanfordnlp.

the class MentionExtractor method getHeadIndex.

protected int getHeadIndex(Tree t) {
    // The trees passed in do not have the CoordinationTransformer
    // applied, but that just means the SemanticHeadFinder results are
    // slightly worse.
    Tree ht = t.headTerminal(headFinder);
    // temporary: a key which is matched to nothing
    if (ht == null)
        return -1;
    CoreLabel l = (CoreLabel) ht.label();
    return l.get(CoreAnnotations.IndexAnnotation.class);
}