dragon.ir.search

Class QueryExpansionSearcher

java.lang.Object

dragon.ir.search.AbstractSearcher

dragon.ir.search.QueryExpansionSearcher

All Implemented Interfaces:

Searcher

public class QueryExpansionSearcher
extends AbstractSearcher

Query expansion searcher

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Field Summary

Fields inherited from class dragon.ir.search.AbstractSearcher

hitlist, indexReader, query, smoother

Constructor Summary

Constructors

Constructor and Description
QueryExpansionSearcher(Searcher searcher, QueryExpansion qe)

Method Summary

Modifier and Type	Method and Description
QueryExpansion	getQueryExpansion()
int	search(IRQuery query)

Methods inherited from class dragon.ir.search.AbstractSearcher

checkSimpleTermQuery, getIndexReader, getIRDoc, getQuery, getQueryWeightingOption, getRankedDocumentList, getRetrievedDocNum, getSmoother, setQueryWeightingOption

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryExpansionSearcher

public QueryExpansionSearcher(Searcher searcher,
                              QueryExpansion qe)

Method Detail

search

public int search(IRQuery query)

Parameters:

query - the structured query

Returns:

the number of matched documents

getQueryExpansion

public QueryExpansion getQueryExpansion()