Package cc.mallet.extract

Class BIOTokenizationFilter

java.lang.Object

cc.mallet.extract.BIOTokenizationFilter

All Implemented Interfaces:

TokenizationFilter, java.io.Serializable

Direct Known Subclasses:

BIOTokenizationFilterWithTokenIndices

public class BIOTokenizationFilter
extends java.lang.Object
implements TokenizationFilter, java.io.Serializable

Created: Nov 12, 2004

Version:

$Id: BIOTokenizationFilter.java,v 1.1 2007/10/22 21:37:44 mccallum Exp $

Author:

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
BIOTokenizationFilter()

Method Summary

Modifier and Type	Method	Description
LabeledSpans	constructLabeledSpans(LabelAlphabet dict, java.lang.Object document, Label backgroundTag, Tokenization input, Sequence seq)	Converts a the sequence of labels into a set of labeled spans.
protected Span	createSpan(Tokenization input, int startTokenIdx, int endTokenIdx)

Methods inherited from class java.lang.Object

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

Constructor Detail

BIOTokenizationFilter

public BIOTokenizationFilter()

Method Detail

constructLabeledSpans

public LabeledSpans constructLabeledSpans(LabelAlphabet dict,
                                          java.lang.Object document,
                                          Label backgroundTag,
                                          Tokenization input,
                                          Sequence seq)

Description copied from interface: TokenizationFilter

Converts a the sequence of labels into a set of labeled spans. Essentially, this converts the output of sequence labeling into an extraction output.

Specified by:

constructLabeledSpans in interface TokenizationFilter

Returns:

createSpan

protected Span createSpan(Tokenization input,
                          int startTokenIdx,
                          int endTokenIdx)