opennlp.tools.doccat

Class BagOfWordsFeatureGenerator

java.lang.Object

opennlp.tools.doccat.BagOfWordsFeatureGenerator

All Implemented Interfaces:

FeatureGenerator

public class BagOfWordsFeatureGenerator
extends Object
implements FeatureGenerator

Generates a feature for each word in a document.

Constructor Summary

Constructors

Constructor and Description
BagOfWordsFeatureGenerator()

Method Summary

Modifier and Type	Method and Description
Collection<String>	extractFeatures(String[] text, Map<String,Object> extraInformation) Extract features from given text fragments

Methods inherited from class java.lang.Object

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

Constructor Detail

BagOfWordsFeatureGenerator

public BagOfWordsFeatureGenerator()

Method Detail

extractFeatures

public Collection<String> extractFeatures(String[] text,
                                          Map<String,Object> extraInformation)

Description copied from interface: FeatureGenerator

Extract features from given text fragments

Specified by:

extractFeatures in interface FeatureGenerator

Parameters:

text - the text fragments to extract features from

extraInformation - optional extra information to be used by the feature generator

Returns:

a collection of features