com.github.pmerienne.trident.cf.function

Class TanimotoCoefficientSimilarity

java.lang.Object

storm.trident.operation.BaseOperation

storm.trident.operation.BaseFunction

com.github.pmerienne.trident.cf.function.TanimotoCoefficientSimilarity

All Implemented Interfaces:

Serializable, storm.trident.operation.EachOperation, storm.trident.operation.Function, storm.trident.operation.Operation

public class TanimotoCoefficientSimilarity
extends storm.trident.operation.BaseFunction

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
TanimotoCoefficientSimilarity()

Method Summary

Methods

Modifier and Type	Method and Description
void	execute(storm.trident.tuple.TridentTuple tuple, storm.trident.operation.TridentCollector collector)
protected double	userSimilarity(long user1PreferenceCount, long user2PreferenceCount, long coPreferenceCount)

Methods inherited from class storm.trident.operation.BaseOperation

cleanup, prepare

Methods inherited from class java.lang.Object

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

Methods inherited from interface storm.trident.operation.Operation

cleanup, prepare

Constructor Detail

TanimotoCoefficientSimilarity

public TanimotoCoefficientSimilarity()

Method Detail

execute

public void execute(storm.trident.tuple.TridentTuple tuple,
           storm.trident.operation.TridentCollector collector)

userSimilarity

protected double userSimilarity(long user1PreferenceCount,
                    long user2PreferenceCount,
                    long coPreferenceCount)