iitb.CRF
Interface Feature

All Known Implementing Classes:

FeatureImpl

public interface Feature

A single feature returned by the FeatureGenerator needs to support this interface.

Author:

Sunita Sarawagi

Method Summary

int	index()
float	value() can be -1 if the feature is a state, rather than an edge feature
int	y() the index of this feature from 0..numFeatures-1.
int	yprev() has to be a label index from 0..numLabels-1

Method Detail

index

public int index()

y

public int y()

the index of this feature from 0..numFeatures-1.

yprev

public int yprev()

has to be a label index from 0..numLabels-1

value

public float value()

can be -1 if the feature is a state, rather than an edge feature