ivory.ptc.judgments.weighting

Class SrcSpam

java.lang.Object

ivory.ptc.judgments.weighting.SrcSpam

All Implemented Interfaces:

WeightingScheme

public class SrcSpam
extends Object
implements WeightingScheme

Spam weighting scheme: weight(targetDocument) = log(percentile_spamminess(targetDocument) + 1 / 100) + log(HarmonicMean({percentile_spamminess(src) for each src doc})) Parameters required: Percentile spam scores (can be obtained from http://plg.uwaterloo.ca/~gvcormac/clueweb09spam/)

Author:

Nima Asadi

Constructor Summary

Constructors

Constructor and Description
SrcSpam()

Method Summary

Methods

Modifier and Type	Method and Description
float	getWeight(int targetDocument, AnchorText anchorText) Computes a relevence score of the given anchor text (pseudo quert) and a target document (pseudo judgment)
void	initialize(FileSystem fs, String... params) Initializes the current weighting scheme with the given set of parameters.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

SrcSpam

public SrcSpam()

Method Detail

getWeight

public float getWeight(int targetDocument,
              AnchorText anchorText)

Description copied from interface: WeightingScheme

Computes a relevence score of the given anchor text (pseudo quert) and a target document (pseudo judgment)

Specified by:

getWeight in interface WeightingScheme

Parameters:

targetDocument - Document id for the target document.

anchorText - Anchor text object.

initialize

public void initialize(FileSystem fs,
              String... params)

Description copied from interface: WeightingScheme

Initializes the current weighting scheme with the given set of parameters.

Specified by:

initialize in interface WeightingScheme

Parameters:

fs - FileSystem object.

params - Array of the string representation of the parameters needed to initialize the weighting scheme.

toString

public String toString()

Overrides:

toString in class Object