org.apache.ctakes.relationextractor.ae.features
Class EntitySpanFeatureExtractor

java.lang.Object
  org.apache.ctakes.relationextractor.ae.features.EntitySpanFeatureExtractor

All Implemented Interfaces:

RelationFeaturesExtractor

public class EntitySpanFeatureExtractor
extends java.lang.Object
implements RelationFeaturesExtractor

Features that indicate whether both arguments are contained within an NP. E.g.: this extractor should find things like: NP: "Degenerative knee with valgus deformity" arg1: "Degenerative knee" arg2: "valgus deformity"

Constructor Summary

EntitySpanFeatureExtractor()

Method Summary

java.util.List<org.cleartk.classifier.Feature>

extract(org.apache.uima.jcas.JCas jCas, IdentifiedAnnotation arg1, IdentifiedAnnotation arg2) Extract features for the pair of named entity mentions.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EntitySpanFeatureExtractor

public EntitySpanFeatureExtractor()

Method Detail

extract

public java.util.List<org.cleartk.classifier.Feature> extract(org.apache.uima.jcas.JCas jCas,
                                                              IdentifiedAnnotation arg1,
                                                              IdentifiedAnnotation arg2)
                                                       throws org.apache.uima.analysis_engine.AnalysisEngineProcessException

Description copied from interface: RelationFeaturesExtractor

Extract features for the pair of named entity mentions.

Specified by:

extract in interface RelationFeaturesExtractor

Parameters:

jCas - The JCas containing the two named entity mentions.

arg1 - The first identified annotation in the text.

arg2 - The second identified annotation in the text.

Returns:

A list of features indicative of the relation between the named entities

Throws:

org.apache.uima.analysis_engine.AnalysisEngineProcessException