org.apache.mahout.math.hadoop.similarity.vector
Class DistributedEuclideanDistanceVectorSimilarity

java.lang.Object
  extended by org.apache.mahout.math.hadoop.similarity.vector.AbstractDistributedVectorSimilarity
      extended by org.apache.mahout.math.hadoop.similarity.vector.DistributedEuclideanDistanceVectorSimilarity
All Implemented Interfaces:
DistributedVectorSimilarity

public class DistributedEuclideanDistanceVectorSimilarity
extends AbstractDistributedVectorSimilarity

distributed implementation of euclidean distance as vector similarity measure


Constructor Summary
DistributedEuclideanDistanceVectorSimilarity()
           
 
Method Summary
protected  double doComputeResult(int rowA, int rowB, java.lang.Iterable<Cooccurrence> cooccurrences, double weightOfVectorA, double weightOfVectorB, int numberOfColumns)
          do the actual similarity computation
 
Methods inherited from class org.apache.mahout.math.hadoop.similarity.vector.AbstractDistributedVectorSimilarity
countElements, countElements, similarity, weight
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

DistributedEuclideanDistanceVectorSimilarity

public DistributedEuclideanDistanceVectorSimilarity()
Method Detail

doComputeResult

protected double doComputeResult(int rowA,
                                 int rowB,
                                 java.lang.Iterable<Cooccurrence> cooccurrences,
                                 double weightOfVectorA,
                                 double weightOfVectorB,
                                 int numberOfColumns)
Description copied from class: AbstractDistributedVectorSimilarity
do the actual similarity computation

Specified by:
doComputeResult in class AbstractDistributedVectorSimilarity
See Also:
DistributedVectorSimilarity.similarity(int, int, Iterable, double, double, int)


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