com.github.pmerienne.trident.cf.model

Class WeightedPreferences

java.lang.Object

com.github.pmerienne.trident.cf.model.WeightedPreferences

All Implemented Interfaces:

Serializable

public class WeightedPreferences
extends Object
implements Serializable

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<Long,Double>	preferenceScores
protected double	scoreSum

Constructor Summary

Constructors

Constructor and Description
WeightedPreferences()
WeightedPreferences(Map<Long,Double> preferenceScores)
WeightedPreferences(Map<Long,Double> preferenceScores, double scoreSum)

Method Summary

Methods

Modifier and Type	Method and Description
void	add(long item, double similarity)
void	addAll(Set<Long> items, double similarity)
static WeightedPreferences	combine(WeightedPreferences val1, WeightedPreferences val2)
Set<Long>	getItems()
Double	getRecommendation(long item)

Methods inherited from class java.lang.Object

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

Field Detail

preferenceScores

protected Map<Long,Double> preferenceScores

scoreSum

protected double scoreSum

Constructor Detail

WeightedPreferences

public WeightedPreferences()

WeightedPreferences

public WeightedPreferences(Map<Long,Double> preferenceScores)

WeightedPreferences

public WeightedPreferences(Map<Long,Double> preferenceScores,
                   double scoreSum)

Method Detail

addAll

public void addAll(Set<Long> items,
          double similarity)

add

public void add(long item,
       double similarity)

getItems

public Set<Long> getItems()

getRecommendation

public Double getRecommendation(long item)

combine

public static WeightedPreferences combine(WeightedPreferences val1,
                          WeightedPreferences val2)