org.terrier.querying
Class PseudoRelevanceFeedbackSelector

java.lang.Object
  extended by org.terrier.querying.FeedbackSelector
      extended by org.terrier.querying.PseudoRelevanceFeedbackSelector

public class PseudoRelevanceFeedbackSelector
extends FeedbackSelector

A feedback selector for pseudo-relevance feedback. Selects the top ApplicationSetup.EXPANSION_DOCUMENTS documents from the ResultSet attached to the specified request.

Since:
3.0
Author:
Craig Macdonald

Field Summary
 
Fields inherited from class org.terrier.querying.FeedbackSelector
index
 
Constructor Summary
PseudoRelevanceFeedbackSelector()
          default constructor
 
Method Summary
 FeedbackDocument[] getFeedbackDocuments(Request request)
          Obtain feedback documents for the specified query request
 
Methods inherited from class org.terrier.querying.FeedbackSelector
setIndex
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

PseudoRelevanceFeedbackSelector

public PseudoRelevanceFeedbackSelector()
default constructor

Method Detail

getFeedbackDocuments

public FeedbackDocument[] getFeedbackDocuments(Request request)
Obtain feedback documents for the specified query request

Specified by:
getFeedbackDocuments in class FeedbackSelector


Terrier 3.5. Copyright © 2004-2011 University of Glasgow