org.grouplens.lenskit.knn.item.model

Class ItemItemModelBuilder

java.lang.Object

org.grouplens.lenskit.knn.item.model.ItemItemModelBuilder

All Implemented Interfaces:

javax.inject.Provider<ItemItemModel>

@NotThreadSafe
public class ItemItemModelBuilder
extends Object
implements javax.inject.Provider<ItemItemModel>

Build an item-item CF model from rating data. This builder takes a very simple approach. It does not allow for vector normalization and truncates on the fly.

Constructor Summary

Constructors

Constructor and Description
ItemItemModelBuilder(ItemSimilarity similarity, ItemItemBuildContext context, Threshold thresh, NeighborIterationStrategy nbrStrat, int size)

Method Summary

Modifier and Type	Method and Description
SimilarityMatrixModel	get()

Methods inherited from class java.lang.Object

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

Constructor Detail

ItemItemModelBuilder

@Inject
public ItemItemModelBuilder(ItemSimilarity similarity,
                                    ItemItemBuildContext context,
                                    @ItemSimilarityThreshold
                                    Threshold thresh,
                                    NeighborIterationStrategy nbrStrat,
                                    @ModelSize
                                    int size)

Method Detail

get

public SimilarityMatrixModel get()

Specified by:

get in interface javax.inject.Provider<ItemItemModel>