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B

buildMatrix() - Method in class org.lenskit.slopeone.SlopeOneModelDataAccumulator

C

CORATINGS_SYMBOL - Static variable in class org.lenskit.slopeone.SlopeOneModel

D

dao - Variable in class org.lenskit.slopeone.SlopeOneItemScorer

DeviationDamping - Annotation Type in org.lenskit.slopeone

Damping parameter for Slope-One deviations.

domain - Variable in class org.lenskit.slopeone.SlopeOneItemScorer

G

get() - Method in class org.lenskit.slopeone.SlopeOneModelProvider

Constructs and returns a SlopeOneModel.

getCoratings(long, long) - Method in class org.lenskit.slopeone.SlopeOneModel

getDeviation(long, long) - Method in class org.lenskit.slopeone.SlopeOneModel

getModel() - Method in class org.lenskit.slopeone.SlopeOneItemScorer

M

model - Variable in class org.lenskit.slopeone.SlopeOneItemScorer

O

org.lenskit.slopeone - package org.lenskit.slopeone

P

putItemPair(long, SparseVector, long, SparseVector) - Method in class org.lenskit.slopeone.SlopeOneModelDataAccumulator

Puts the item pair into the accumulator.

S

scoreWithDetails(long, Collection<Long>) - Method in class org.lenskit.slopeone.SlopeOneItemScorer

scoreWithDetails(long, Collection<Long>) - Method in class org.lenskit.slopeone.WeightedSlopeOneItemScorer

SlopeOneItemScorer - Class in org.lenskit.slopeone

An ItemScorer that implements the Slope One algorithm.

SlopeOneItemScorer(RatingVectorPDAO, SlopeOneModel, PreferenceDomain) - Constructor for class org.lenskit.slopeone.SlopeOneItemScorer

SlopeOneModel - Class in org.lenskit.slopeone

A model for a SlopeOneItemScorer or WeightedSlopeOneItemScorer.

SlopeOneModel(Long2ObjectMap<ImmutableSparseVector>) - Constructor for class org.lenskit.slopeone.SlopeOneModel

SlopeOneModelDataAccumulator - Class in org.lenskit.slopeone

SlopeOneModelDataAccumulator(double, ItemDAO) - Constructor for class org.lenskit.slopeone.SlopeOneModelDataAccumulator

Creates an accumulator to process rating data and generate the necessary data for a SlopeOneItemScorer.

SlopeOneModelProvider - Class in org.lenskit.slopeone

Pre-computes the deviations and number of mutual rating users for every pair of items and stores the results in a DeviationMatrix and CoratingMatrix.

SlopeOneModelProvider(ItemDAO, ItemItemBuildContext, double) - Constructor for class org.lenskit.slopeone.SlopeOneModelProvider

W

WeightedSlopeOneItemScorer - Class in org.lenskit.slopeone

An ItemScorer that implements a weighted Slope One algorithm.

WeightedSlopeOneItemScorer(RatingVectorPDAO, SlopeOneModel, PreferenceDomain) - Constructor for class org.lenskit.slopeone.WeightedSlopeOneItemScorer

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