Package ciir.umass.edu.metric

Class MetricScorer

java.lang.Object

ciir.umass.edu.metric.MetricScorer

Direct Known Subclasses:

APScorer, BestAtKScorer, DCGScorer, ERRScorer, PrecisionScorer, ReciprocalRankScorer

public abstract class MetricScorer
extends java.lang.Object

Author:

vdang A generic retrieval measure computation interface.

Field Summary

Fields

Modifier and Type	Field	Description
protected int	k	The depth parameter, or how deep of a ranked list to use to score the measure.

Constructor Summary

Constructors

Constructor	Description
MetricScorer()

Method Summary

Modifier and Type	Method	Description
abstract MetricScorer	copy()
int	getK()	The depth parameter, or how deep of a ranked list to use to score the measure.
protected int[]	getRelevanceLabels(RankList rl)
void	loadExternalRelevanceJudgment(java.lang.String qrelFile)
abstract java.lang.String	name()
abstract double	score(RankList rl)
double	score(java.util.List<RankList> rl)
void	setK(int k)	The depth parameter, or how deep of a ranked list to use to score the measure.
abstract double[][]	swapChange(RankList rl)

Methods inherited from class java.lang.Object

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

Field Detail

k

protected int k

The depth parameter, or how deep of a ranked list to use to score the measure.

Constructor Detail

MetricScorer

public MetricScorer()

Method Detail

setK

public void setK(int k)

The depth parameter, or how deep of a ranked list to use to score the measure.

Parameters:

k - the new depth for this measure.

getK

public int getK()

The depth parameter, or how deep of a ranked list to use to score the measure.

loadExternalRelevanceJudgment

public void loadExternalRelevanceJudgment(java.lang.String qrelFile)

score

public double score(java.util.List<RankList> rl)

getRelevanceLabels

protected int[] getRelevanceLabels(RankList rl)

score

public abstract double score(RankList rl)

copy

public abstract MetricScorer copy()

name

public abstract java.lang.String name()

swapChange

public abstract double[][] swapChange(RankList rl)