edu.illinois.cs.cogcomp.edison.features.factory

Class ParseHeadWordPOS

java.lang.Object

edu.illinois.cs.cogcomp.edison.features.factory.ParseHeadWordPOS

All Implemented Interfaces:

FeatureExtractor

public class ParseHeadWordPOS
extends Object
implements FeatureExtractor

Extracts the head word and POS tag of the constituent. The head is defined using the Collins' head percolation table applied to the phrase in the parse tree.

If possible, use one of the two static objects in this class, corresponding to the Charniak and Stanford parses respectively.

Author:

Vivek Srikumar

Field Summary

Fields

Modifier and Type	Field and Description
static ParseHeadWordPOS	CHARNIAK
static ParseHeadWordPOS	STANFORD

Constructor Summary

Constructors

Constructor and Description
ParseHeadWordPOS(String parseViewName)

Method Summary

Modifier and Type	Method and Description
Set<Feature>	getFeatures(Constituent c)
String	getName()

Methods inherited from class java.lang.Object

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

Field Detail

CHARNIAK

public static ParseHeadWordPOS CHARNIAK

STANFORD

public static ParseHeadWordPOS STANFORD

Constructor Detail

ParseHeadWordPOS

public ParseHeadWordPOS(String parseViewName)

Method Detail

getFeatures

public Set<Feature> getFeatures(Constituent c)
                         throws EdisonException

Specified by:

getFeatures in interface FeatureExtractor

Throws:

EdisonException

getName

public String getName()

Specified by:

getName in interface FeatureExtractor