Package org.apache.nutch.scoring.similarity.cosine

Class DocVector

java.lang.Object

org.apache.nutch.scoring.similarity.cosine.DocVector

public class DocVector
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
HashMap<String,Integer>	termFreqVector
HashMap<Integer,Long>	termVector

Constructor Summary

Constructors

Constructor	Description
DocVector()

Method Summary

Modifier and Type	Method	Description
float	dotProduct(DocVector docVector)
float	getL2Norm()
void	setTermFreqVector(HashMap<String,Integer> termFreqVector)
void	setVectorEntry(int pos, long freq)

Methods inherited from class java.lang.Object

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

Field Details

termVector

public HashMap<Integer,Long> termVector

termFreqVector

public HashMap<String,Integer> termFreqVector

Constructor Details

DocVector

public DocVector()

Method Details

setTermFreqVector

public void setTermFreqVector(HashMap<String,Integer> termFreqVector)

setVectorEntry

public void setVectorEntry(int pos,
 long freq)

dotProduct

public float dotProduct(DocVector docVector)

getL2Norm

public float getL2Norm()