edu.washington.cs.knowitall.extractor
Class RegexGroupExtractor

java.lang.Object
  edu.washington.cs.knowitall.extractor.Extractor<ChunkedSentence,SpanExtraction>
      edu.washington.cs.knowitall.extractor.RegexGroupExtractor

public class RegexGroupExtractor
extends Extractor<ChunkedSentence,SpanExtraction>

Constructor Summary

RegexGroupExtractor(LayeredTokenPattern pattern)

RegexGroupExtractor(String patternStr)

Method Summary

protected Collection<SpanExtraction>

extractCandidates(ChunkedSentence sent) Extracts candidate extractions from the given source object.

Methods inherited from class edu.washington.cs.knowitall.extractor.Extractor

addMapper, compose, extract, getMappers

Methods inherited from class java.lang.Object

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

Constructor Detail

RegexGroupExtractor

public RegexGroupExtractor(LayeredTokenPattern pattern)

RegexGroupExtractor

public RegexGroupExtractor(String patternStr)

Method Detail

extractCandidates

protected Collection<SpanExtraction> extractCandidates(ChunkedSentence sent)
                                                throws ExtractorException

Description copied from class: Extractor

Extracts candidate extractions from the given source object. When the user calls Extractor.extract(Object), the this method is used to generate a set of candidate extractions, which are then passed through each mapper object attached to the extractor.

Specified by:

extractCandidates in class Extractor<ChunkedSentence,SpanExtraction>

Parameters:

sent - the source to extract from.

Returns:

an iterable object over the candidate extractions.

Throws:

ExtractorException - if unable to extract