org.terrier.matching.models

Class StaticFeature

java.lang.Object

org.terrier.matching.models.WeightingModel

org.terrier.matching.models.StaticScoreModifierWeightingModel

org.terrier.matching.models.StaticFeature

All Implemented Interfaces:

Serializable, Cloneable, Model

public class StaticFeature
extends StaticScoreModifierWeightingModel

Class for query independent features loaded from file. See StaticScoreModifierWeightingModel for supported input file formats.

Since:

4.0

Author:

Craig Macdonald

See Also:

Serialized Form

Field Summary

Fields inherited from class org.terrier.matching.models.StaticScoreModifierWeightingModel

asFloat, FstaticMap, FstaticScores, map, source, staticMap, staticScores

Fields inherited from class org.terrier.matching.models.WeightingModel

averageDocumentLength, c, cs, documentFrequency, es, i, keyFrequency, numberOfDocuments, numberOfPointers, numberOfTokens, numberOfUniqueTerms, rq, termFrequency

Constructor Summary

Constructors

Constructor and Description
StaticFeature(double[] scores)
StaticFeature(String[] params)
StaticFeature(gnu.trove.TIntDoubleHashMap scores)

Method Summary

Modifier and Type	Method and Description
double	score(Posting p) Returns score

Methods inherited from class org.terrier.matching.models.StaticScoreModifierWeightingModel

castToDoubleArr, castToDoubleArr, castToFloatArr, castToFloatArr, getInfo, getScoreD, getScoreF, getSource, loadDocid2score, loadfloatOOS, loadOOS, loadScorefile, max, min, printStats, score, standardNormalisation

Methods inherited from class org.terrier.matching.models.WeightingModel

clone, getOverflowed, getParameter, prepare, setCollectionStatistics, setEntryStatistics, setKeyFrequency, setParameter, setRequest

Methods inherited from class java.lang.Object

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

Constructor Detail

StaticFeature

public StaticFeature(String[] params)

StaticFeature

public StaticFeature(double[] scores)

StaticFeature

public StaticFeature(gnu.trove.TIntDoubleHashMap scores)

Method Detail

score

public double score(Posting p)

Description copied from class: WeightingModel

Returns score

Specified by:

score in class StaticScoreModifierWeightingModel

Returns:

score