cc.mallet.pipe.tsf

Class FeaturesInWindow

java.lang.Object

cc.mallet.pipe.Pipe

cc.mallet.pipe.tsf.FeaturesInWindow

All Implemented Interfaces:

AlphabetCarrying, java.io.Serializable

public class FeaturesInWindow
extends Pipe
implements java.io.Serializable

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
FeaturesInWindow(java.lang.String namePrefix, int leftBoundaryOffset, int rightBoundaryOffset) equivalent to FeaturesInWindow((namePrefix, leftBoundaryOffset, rightBoundaryOffset, null, true);
FeaturesInWindow(java.lang.String namePrefix, int leftBoundaryOffset, int rightBoundaryOffset, java.util.regex.Pattern featureRegex, boolean includeBeginEndBoundaries)

Method Summary

Modifier and Type	Method and Description
Instance	pipe(Instance carrier) Really this should be 'protected', but isn't for historical reasons.

Methods inherited from class cc.mallet.pipe.Pipe

alphabetsMatch, getAlphabet, getAlphabets, getDataAlphabet, getInstanceId, getTargetAlphabet, instanceFrom, instancesFrom, instancesFrom, isDataAlphabetSet, isTargetProcessing, newIteratorFrom, precondition, readResolve, setDataAlphabet, setOrCheckDataAlphabet, setOrCheckTargetAlphabet, setTargetAlphabet, setTargetProcessing

Methods inherited from class java.lang.Object

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

Constructor Detail

FeaturesInWindow

public FeaturesInWindow(java.lang.String namePrefix,
                        int leftBoundaryOffset,
                        int rightBoundaryOffset,
                        java.util.regex.Pattern featureRegex,
                        boolean includeBeginEndBoundaries)

Parameters:

namePrefix - what to prepend to feature names

leftBoundaryOffset - left boundary of the window (e.g. -1 means include the previous word

rightBoundaryOffset - right boundary for this window (e.g. 1 means include the current position, but not the next

featureRegex - add only for features matching this (null = always match

includeBeginEndBoundaries - ignored

FeaturesInWindow

public FeaturesInWindow(java.lang.String namePrefix,
                        int leftBoundaryOffset,
                        int rightBoundaryOffset)

equivalent to
FeaturesInWindow((namePrefix, leftBoundaryOffset, rightBoundaryOffset, null, true);

Method Detail

pipe

public Instance pipe(Instance carrier)

Description copied from class: Pipe

Really this should be 'protected', but isn't for historical reasons.

Overrides:

pipe in class Pipe