ivory.ptc.judgments.extractor

Class TopNJudgmentExtractor

java.lang.Object

ivory.ptc.judgments.extractor.TopNJudgmentExtractor

All Implemented Interfaces:

PseudoJudgmentExtractor

public class TopNJudgmentExtractor
extends Object
implements PseudoJudgmentExtractor

Extracts top N target documents and returns them as pseudo judgments. Documents are chosen based on their relevence scores. The only parameter to this extractor is an integer N.

Author:

Nima Asadi

Constructor Summary

Constructors

Constructor and Description
TopNJudgmentExtractor()

Method Summary

Methods

Modifier and Type	Method and Description
PseudoJudgments	getPseudoJudgments(ArrayListWritable<AnchorTextTarget> anchorTextTargets) Extracts pseudo judgments from the list of given target documents, according to the extraction criteria.
void	setParameters(String[] params) Sets the parameters of the judgment extractor.

Methods inherited from class java.lang.Object

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

Constructor Detail

TopNJudgmentExtractor

public TopNJudgmentExtractor()

Method Detail

getPseudoJudgments

public PseudoJudgments getPseudoJudgments(ArrayListWritable<AnchorTextTarget> anchorTextTargets)

Description copied from interface: PseudoJudgmentExtractor

Extracts pseudo judgments from the list of given target documents, according to the extraction criteria.

Specified by:

getPseudoJudgments in interface PseudoJudgmentExtractor

Parameters:

anchorTextTargets - Set of target documents from which pseudo judgments are extracted. The input list of documents must be sorted based on their relevence scores.

Returns:

set of pseudo judgments extracted according to the extraction criteria.

setParameters

public void setParameters(String[] params)

Description copied from interface: PseudoJudgmentExtractor

Sets the parameters of the judgment extractor.

Specified by:

setParameters in interface PseudoJudgmentExtractor

Parameters:

params - Array of string representation of the parameters.