org.lenskit.slopeone

Class WeightedSlopeOneItemScorer

java.lang.Object

org.lenskit.basic.AbstractItemScorer

org.lenskit.slopeone.SlopeOneItemScorer

org.lenskit.slopeone.WeightedSlopeOneItemScorer

All Implemented Interfaces:

org.lenskit.api.ItemScorer

public class WeightedSlopeOneItemScorer
extends SlopeOneItemScorer

An ItemScorer that implements a weighted Slope One algorithm.

Field Summary

Fields inherited from class org.lenskit.slopeone.SlopeOneItemScorer

dao, domain, model

Constructor Summary

Constructors

Constructor and Description
WeightedSlopeOneItemScorer(org.lenskit.data.ratings.RatingVectorPDAO dao, SlopeOneModel model, org.lenskit.data.ratings.PreferenceDomain dom)

Method Summary

Modifier and Type	Method and Description
org.lenskit.api.ResultMap	scoreWithDetails(long user, Collection<Long> items)

Methods inherited from class org.lenskit.slopeone.SlopeOneItemScorer

getModel

Methods inherited from class org.lenskit.basic.AbstractItemScorer

score, score

Methods inherited from class java.lang.Object

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

Constructor Detail

WeightedSlopeOneItemScorer

@Inject
public WeightedSlopeOneItemScorer(org.lenskit.data.ratings.RatingVectorPDAO dao,
                                           SlopeOneModel model,
                                           @Nullable
                                           org.lenskit.data.ratings.PreferenceDomain dom)

Method Detail

scoreWithDetails

@Nonnull
public org.lenskit.api.ResultMap scoreWithDetails(long user,
                                                            @Nonnull
                                                            Collection<Long> items)

Specified by:

scoreWithDetails in interface org.lenskit.api.ItemScorer

Overrides:

scoreWithDetails in class SlopeOneItemScorer