edu.stanford.nlp.ie.machinereading

Class RelationFeatureFactory

java.lang.Object

edu.stanford.nlp.ie.machinereading.RelationFeatureFactory

All Implemented Interfaces:

Serializable

public class RelationFeatureFactory
extends Object
implements Serializable

Author:

Mason Smith, Mihai Surdeanu

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	RelationFeatureFactory.DEPENDENCY_TYPE

Field Summary

Fields

Modifier and Type	Field and Description
protected RelationFeatureFactory.DEPENDENCY_TYPE	dependencyType Which dependencies to use for feature extraction
protected boolean	doNotLexicalizeFirstArg If true, it does not create any lexicalized features from the first argument (needed for KBP)
protected List<String>	featureList

Constructor Summary

Constructors

Constructor and Description
RelationFeatureFactory(String... featureList)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	addDependencyPathFeatures(Counter<String> features, RelationMention rel, EntityMention arg0, EntityMention arg1, List<String> types, List<String> checklist, Logger logger)
boolean	addFeatures(Counter<String> features, RelationMention rel, List<String> types)
boolean	addFeatures(Counter<String> features, RelationMention rel, List<String> types, Logger logger) Creates all features for the datum corresponding to this relation mention Note: this assumes binary relations where both arguments are EntityMention
Datum<String,String>	createDatum(RelationMention rel)
Datum<String,String>	createDatum(RelationMention rel, Logger logger)
Datum<String,String>	createDatum(RelationMention rel, String positiveLabel)
static String	dependencyPath(List<SemanticGraphEdge> edgePath, IndexedWord node)
static List<String>	dependencyPathAsList(List<SemanticGraphEdge> edgePath, IndexedWord node, boolean generalize)
static String	generalizedDependencyPath(List<SemanticGraphEdge> edgePath, IndexedWord node)
String	getFeature(RelationMention rel, String featureType)
Set<String>	getFeatures(RelationMention rel, String featureType)
void	setDoNotLexicalizeFirstArgument(boolean doNotLexicalizeFirstArg)

Methods inherited from class java.lang.Object

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

Field Detail

featureList

protected List<String> featureList

doNotLexicalizeFirstArg

protected boolean doNotLexicalizeFirstArg

If true, it does not create any lexicalized features from the first argument (needed for KBP)

dependencyType

protected RelationFeatureFactory.DEPENDENCY_TYPE dependencyType

Which dependencies to use for feature extraction

Constructor Detail

RelationFeatureFactory

public RelationFeatureFactory(String... featureList)

Method Detail

setDoNotLexicalizeFirstArgument

public void setDoNotLexicalizeFirstArgument(boolean doNotLexicalizeFirstArg)

createDatum

public Datum<String,String> createDatum(RelationMention rel)

createDatum

public Datum<String,String> createDatum(RelationMention rel,
                               Logger logger)

createDatum

public Datum<String,String> createDatum(RelationMention rel,
                               String positiveLabel)

addFeatures

public boolean addFeatures(Counter<String> features,
                  RelationMention rel,
                  List<String> types)

addFeatures

public boolean addFeatures(Counter<String> features,
                  RelationMention rel,
                  List<String> types,
                  Logger logger)

Creates all features for the datum corresponding to this relation mention Note: this assumes binary relations where both arguments are EntityMention

Parameters:

features - Stores all features

rel - The mention

types - Comma separated list of feature classes to use

addDependencyPathFeatures

protected void addDependencyPathFeatures(Counter<String> features,
                             RelationMention rel,
                             EntityMention arg0,
                             EntityMention arg1,
                             List<String> types,
                             List<String> checklist,
                             Logger logger)

dependencyPathAsList

public static List<String> dependencyPathAsList(List<SemanticGraphEdge> edgePath,
                                IndexedWord node,
                                boolean generalize)

dependencyPath

public static String dependencyPath(List<SemanticGraphEdge> edgePath,
                    IndexedWord node)

generalizedDependencyPath

public static String generalizedDependencyPath(List<SemanticGraphEdge> edgePath,
                               IndexedWord node)

getFeatures

public Set<String> getFeatures(RelationMention rel,
                      String featureType)

getFeature

public String getFeature(RelationMention rel,
                String featureType)