/**
* Returns any particle this <code>verb</code> may have
*
* @param verb
* @param graph
* @return
*/
static IndexedWord getParticle(final IndexedWord verb, final SemanticGraph graph) {
GrammaticalRelation reln =
edu.stanford.nlp.trees.GrammaticalRelation.getRelation(
edu.stanford.nlp.trees.EnglishGrammaticalRelations.PhrasalVerbParticleGRAnnotation
.class);
return graph.getChildWithReln(verb, reln);
}
/**
* Decides whether this word has a direct object.
*
* @param word the word to analyse
* @param graph the sentence to which this word belongs
* @return TRUE, if a direct object is present for this verb
*/
static boolean hasDirectObjectNP(IndexedWord word, SemanticGraph graph) {
GrammaticalRelation reln =
edu.stanford.nlp.trees.GrammaticalRelation.getRelation(
edu.stanford.nlp.trees.EnglishGrammaticalRelations.DirectObjectGRAnnotation.class);
if (graph.hasChildWithReln(word, reln)) {
String pos = graph.getChildWithReln(word, reln).get(PartOfSpeechAnnotation.class);
if (pos.equalsIgnoreCase("NN")) {
return true;
}
}
return false;
}
/**
* Finds a direct object. ex: the chair in "move the chair"
*
* @param word
* @param graph
* @return
*/
public static IndexedWord getDirectObject(IndexedWord word, SemanticGraph graph) {
GrammaticalRelation reln =
edu.stanford.nlp.trees.GrammaticalRelation.getRelation(
edu.stanford.nlp.trees.EnglishGrammaticalRelations.DirectObjectGRAnnotation.class);
return graph.getChildWithReln(word, reln);
}
/**
* Finds any prepositions relating to {@code word}. Requires a non-collapsed graph.
*
* @param word The word which is being modified
* @param graph A basic graph (non-collapsed)
* @return
*/
static CoreLabel getPrepMod(IndexedWord word, SemanticGraph graph) {
GrammaticalRelation reln =
edu.stanford.nlp.trees.GrammaticalRelation.getRelation(
EnglishGrammaticalRelations.PrepositionalModifierGRAnnotation.class);
return graph.getChildWithReln(word, reln);
}