org.apache.ctakes.relationextractor.ae.features

Class DependencyTreeFeaturesExtractor

java.lang.Object

org.apache.ctakes.relationextractor.ae.features.DependencyTreeFeaturesExtractor

All Implemented Interfaces:

RelationFeaturesExtractor<IdentifiedAnnotation,IdentifiedAnnotation>

public class DependencyTreeFeaturesExtractor
extends Object
implements RelationFeaturesExtractor<IdentifiedAnnotation,IdentifiedAnnotation>

Constructor Summary

Constructors

Constructor and Description
DependencyTreeFeaturesExtractor()

Method Summary

Modifier and Type	Method and Description
List<org.cleartk.ml.Feature>	extract(org.apache.uima.jcas.JCas jCas, IdentifiedAnnotation arg1, IdentifiedAnnotation arg2) Extract features for the pair of named entity mentions.
static List<org.cleartk.ml.Feature>	extractForNode(org.apache.uima.jcas.JCas jCas, IdentifiedAnnotation mention, String ftrPrefix)

Methods inherited from class java.lang.Object

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

Constructor Detail

DependencyTreeFeaturesExtractor

public DependencyTreeFeaturesExtractor()

Method Detail

extract

public List<org.cleartk.ml.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<IdentifiedAnnotation,IdentifiedAnnotation>

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

extractForNode

public static List<org.cleartk.ml.Feature> extractForNode(org.apache.uima.jcas.JCas jCas,
                                                          IdentifiedAnnotation mention,
                                                          String ftrPrefix)