uk.ac.gla.terrier.matching
Class LMMatching

java.lang.Object
  uk.ac.gla.terrier.matching.Matching
      uk.ac.gla.terrier.matching.LMMatching

public class LMMatching
extends Matching

Performs the matching of documents for language modelling with a query, by assigning scores to documents for each query in the lexicon according to the term's occurrences in the document and in the query.

Version:

$Revision: 1.25 $

Author:

Ben He

Constructor Summary

LMMatching(Index index)
Default constructor.

Method Summary

java.lang.String	getInfo() Returns a descriptive string for the retrieval process performed.
void	match(java.lang.String queryNumber, MatchingQueryTerms queryTerms) Implements the matching of a query with the documents.
void	setModel(Model model) Sets the language model used for retrieval.

Methods inherited from class uk.ac.gla.terrier.matching.Matching

addDocumentScoreModifier, addTermScoreModifier, getDocumentScoreModifier, getResultSet, getTermScoreModifier

Methods inherited from class java.lang.Object

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

Constructor Detail

LMMatching

public LMMatching(Index index)

Default constructor.

Parameters:

index - Index for retrieval.

Method Detail

match

public void match(java.lang.String queryNumber,
                  MatchingQueryTerms queryTerms)

Implements the matching of a query with the documents.

Overrides:

match in class Matching

Parameters:

queryNumber - the identifier of the processed query.

queryTerms - the query terms to be processed.

setModel

public void setModel(Model model)

Sets the language model used for retrieval.

Overrides:

setModel in class Matching

Parameters:

model - the language model used for retrieval

getInfo

public java.lang.String getInfo()

Returns a descriptive string for the retrieval process performed.

Overrides:

getInfo in class Matching

Returns:

String the name of the matching.