org.lenskit.slopeone

Class SlopeOneModelProvider

java.lang.Object

org.lenskit.slopeone.SlopeOneModelProvider

All Implemented Interfaces:

javax.inject.Provider<SlopeOneModel>

public class SlopeOneModelProvider
extends Object
implements javax.inject.Provider<SlopeOneModel>

Pre-computes the deviations and number of mutual rating users for every pair of items and stores the results in a DeviationMatrix and CoratingMatrix. These matrices are later used by a SlopeOneItemScorer.

Constructor Summary

Constructors

Constructor and Description
SlopeOneModelProvider(ItemDAO dao, ItemItemBuildContext context, double damping)

Method Summary

Modifier and Type	Method and Description
SlopeOneModel	get() Constructs and returns a SlopeOneModel.

Methods inherited from class java.lang.Object

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

Constructor Detail

SlopeOneModelProvider

@Inject
public SlopeOneModelProvider(@Nonnull
                                      ItemDAO dao,
                                      ItemItemBuildContext context,
                                      @DeviationDamping
                                      double damping)

Method Detail

get

public SlopeOneModel get()

Constructs and returns a SlopeOneModel.

Specified by:

get in interface javax.inject.Provider<SlopeOneModel>