Uses of Interface
es.uam.eps.ir.ranksys.fast.index.FastUserIndex

Packages that use FastUserIndex

Package	Description
es.uam.eps.ir.ranksys.fast.index	Fast versions of user/item/feature indexes.
es.uam.eps.ir.ranksys.fast.preference	Fast versions of PreferenceData.
es.uam.eps.ir.ranksys.mf	Matrix factorization base classes.
es.uam.eps.ir.ranksys.mf.rec	Matrix factorization recommenders.
es.uam.eps.ir.ranksys.nn.item	Item-based nearest neighbors recommenders.
es.uam.eps.ir.ranksys.nn.user	User-based nearest neighbors recommenders.
es.uam.eps.ir.ranksys.nn.user.neighborhood	User neighborhoods.
es.uam.eps.ir.ranksys.nn.user.sim	User similarities.
es.uam.eps.ir.ranksys.novdiv.reranking	Re-rankers.
es.uam.eps.ir.ranksys.novelty.inverted.neighborhood	Inverted neighborhoods.
es.uam.eps.ir.ranksys.rec.fast	Fast version of base classes and interfaces for recommendation algorithms.
es.uam.eps.ir.ranksys.rec.fast.basic	Basic recommendation algorithms.
es.uam.eps.ir.ranksys.rec.runner.fast	Fast recommender runners.
org.ranksys.compression.preferences	Compressed PreferenceData for binary and rating data.
org.ranksys.fast.preference	Fast versions of PreferenceData.
org.ranksys.fm	Wrappers for factorisation machines.
org.ranksys.fm.rec	FM-based recommenders.
org.ranksys.formats.factorization	Write and read format for factorised models.
org.ranksys.lda	LDA topic modelling and recommender.
org.ranksys.rec.fast	Fast version of base classes and interfaces for recommendation algorithms.

Uses of FastUserIndex in es.uam.eps.ir.ranksys.fast.index

Classes in es.uam.eps.ir.ranksys.fast.index that implement FastUserIndex

Modifier and Type	Class and Description
class	SimpleFastUserIndex<U> Simple implementation of FastUserIndex backed by a bi-map IdxIndex

Uses of FastUserIndex in es.uam.eps.ir.ranksys.fast.preference

Subinterfaces of FastUserIndex in es.uam.eps.ir.ranksys.fast.preference

Modifier and Type	Interface and Description
interface	FastPreferenceData<U,I> Fast version of PreferenceData, where preferences for users and items are stored internally by the indexes provided by FastUserIndex and FastItemIndex.

Classes in es.uam.eps.ir.ranksys.fast.preference that implement FastUserIndex

Modifier and Type	Class and Description
class	AbstractFastPreferenceData<U,I> Abstract FastFeatureData, implementing the interfaces of FastUserIndex and FastItemIndex by delegating to implementations of these.
class	SimpleFastPreferenceData<U,I> Simple implementation of FastPreferenceData backed by nested lists.
class	TransposedPreferenceData<I,U> Transposed preferences, where users and items change roles.

Fields in es.uam.eps.ir.ranksys.fast.preference declared as FastUserIndex

Modifier and Type	Field and Description
protected FastUserIndex<U>	AbstractFastPreferenceData.ui user index.

Methods in es.uam.eps.ir.ranksys.fast.preference with parameters of type FastUserIndex

Modifier and Type	Method and Description
static <U,I> SimpleFastPreferenceData<U,I>	SimpleFastPreferenceData.load(Stream<org.jooq.lambda.tuple.Tuple3<U,I,Double>> tuples, FastUserIndex<U> uIndex, FastItemIndex<I> iIndex) Loads a SimpleFastPreferenceData from a stream of user-item-value triples.
static <U,I,O> SimpleFastPreferenceData<U,I>	SimpleFastPreferenceData.load(Stream<org.jooq.lambda.tuple.Tuple4<U,I,Double,O>> tuples, org.jooq.lambda.function.Function4<Integer,Integer,Double,O,? extends IdxPref> uIdxPrefFun, org.jooq.lambda.function.Function4<Integer,Integer,Double,O,? extends IdxPref> iIdxPrefFun, FastUserIndex<U> uIndex, FastItemIndex<I> iIndex, Function<IdxPref,IdPref<I>> uIdPrefFun, Function<IdxPref,IdPref<U>> iIdPrefFun) Loads a SimpleFastPreferenceData from a stream of user-item-value-other tuples.

Constructors in es.uam.eps.ir.ranksys.fast.preference with parameters of type FastUserIndex

Constructor and Description
AbstractFastPreferenceData(FastUserIndex<U> users, FastItemIndex<I> items) Constructor.
AbstractFastPreferenceData(FastUserIndex<U> userIndex, FastItemIndex<I> itemIndex, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor.
SimpleFastPreferenceData(int numPreferences, List<List<IdxPref>> uidxList, List<List<IdxPref>> iidxList, FastUserIndex<U> uIndex, FastItemIndex<I> iIndex) Constructor with default IdxPref to IdPref converter.
SimpleFastPreferenceData(int numPreferences, List<List<IdxPref>> uidxList, List<List<IdxPref>> iidxList, FastUserIndex<U> uIndex, FastItemIndex<I> iIndex, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor with custom IdxPref to IdPref converter.

Uses of FastUserIndex in es.uam.eps.ir.ranksys.mf

Classes in es.uam.eps.ir.ranksys.mf that implement FastUserIndex

Modifier and Type	Class and Description
class	Factorization<U,I> Matrix factorization.

Fields in es.uam.eps.ir.ranksys.mf declared as FastUserIndex

Modifier and Type	Field and Description
protected FastUserIndex<U>	Factorization.uIndex user index

Constructors in es.uam.eps.ir.ranksys.mf with parameters of type FastUserIndex

Constructor and Description
Factorization(FastUserIndex<U> uIndex, FastItemIndex<I> iIndex, cern.colt.matrix.impl.DenseDoubleMatrix2D userMatrix, cern.colt.matrix.impl.DenseDoubleMatrix2D itemMatrix, int K) Constructor for stored factorizations.
Factorization(FastUserIndex<U> uIndex, FastItemIndex<I> iIndex, int K, cern.colt.function.DoubleFunction initFunction) Constructor.

Uses of FastUserIndex in es.uam.eps.ir.ranksys.mf.rec

Classes in es.uam.eps.ir.ranksys.mf.rec that implement FastUserIndex

Modifier and Type	Class and Description
class	MFRecommender<U,I> Matrix factorization recommender.

Constructors in es.uam.eps.ir.ranksys.mf.rec with parameters of type FastUserIndex

Constructor and Description
MFRecommender(FastUserIndex<U> uIndex, FastItemIndex<I> iIndex, Factorization<U,I> factorization) Constructor.

Uses of FastUserIndex in es.uam.eps.ir.ranksys.nn.item

Classes in es.uam.eps.ir.ranksys.nn.item that implement FastUserIndex

Modifier and Type	Class and Description
class	ItemNeighborhoodRecommender<U,I> Item-based nearest neighbors recommender.

Uses of FastUserIndex in es.uam.eps.ir.ranksys.nn.user

Classes in es.uam.eps.ir.ranksys.nn.user that implement FastUserIndex

Modifier and Type	Class and Description
class	UserNeighborhoodRecommender<U,I> User-based nearest neighbors recommender.

Uses of FastUserIndex in es.uam.eps.ir.ranksys.nn.user.neighborhood

Classes in es.uam.eps.ir.ranksys.nn.user.neighborhood that implement FastUserIndex

Modifier and Type	Class and Description
class	CachedUserNeighborhood<U> Cached user similarity.
class	ThresholdUserNeighborhood<U> Threshold user neighborhood.
class	TopKUserNeighborhood<U> User top-K neighborhood.
class	UserNeighborhood<U> User neighborhood.

Fields in es.uam.eps.ir.ranksys.nn.user.neighborhood declared as FastUserIndex

Modifier and Type	Field and Description
protected FastUserIndex<U>	UserNeighborhood.uIndex Fast user index.

Constructors in es.uam.eps.ir.ranksys.nn.user.neighborhood with parameters of type FastUserIndex

Constructor and Description
CachedUserNeighborhood(FastUserIndex<U> uIndex, Stream<org.jooq.lambda.tuple.Tuple2<U,Stream<Tuple2od<U>>>> neighborhoods) Constructor that caches a stream of previously calculated neighborhoods.
UserNeighborhood(FastUserIndex<U> uIndex, Neighborhood neighborhood) Constructor

Uses of FastUserIndex in es.uam.eps.ir.ranksys.nn.user.sim

Classes in es.uam.eps.ir.ranksys.nn.user.sim that implement FastUserIndex

Modifier and Type	Class and Description
class	SetCosineUserSimilarity<U> Set cosine user similarity.
class	SetJaccardUserSimilarity<U> Set Jaccard user similarity.
class	UserSimilarity<U> User similarity.
class	VectorCosineUserSimilarity<U> Vector cosine user similarity.
class	VectorJaccardUserSimilarity<U> Vector Jaccard user similarity.

Fields in es.uam.eps.ir.ranksys.nn.user.sim declared as FastUserIndex

Modifier and Type	Field and Description
protected FastUserIndex<U>	UserSimilarity.uIndex Fast user index.

Constructors in es.uam.eps.ir.ranksys.nn.user.sim with parameters of type FastUserIndex

Constructor and Description
UserSimilarity(FastUserIndex<U> uIndex, Similarity sim) Constructor.

Uses of FastUserIndex in es.uam.eps.ir.ranksys.novdiv.reranking

Classes in es.uam.eps.ir.ranksys.novdiv.reranking that implement FastUserIndex

Modifier and Type	Class and Description
class	RerankingRecommender<U,I> Wrapper for re-ranker that re-ranks the output of another recommender.

Constructors in es.uam.eps.ir.ranksys.novdiv.reranking with parameters of type FastUserIndex

Constructor and Description
RerankingRecommender(FastUserIndex<U> uIndex, FastItemIndex<I> iIndex, FastRecommender<U,I> recommender, Reranker<U,I> reranker) Constructor.

Uses of FastUserIndex in es.uam.eps.ir.ranksys.novelty.inverted.neighborhood

Classes in es.uam.eps.ir.ranksys.novelty.inverted.neighborhood that implement FastUserIndex

Modifier and Type	Class and Description
class	InvertedUserNeighborhood<U> Inverted user neighborhood.

Uses of FastUserIndex in es.uam.eps.ir.ranksys.rec.fast

Subinterfaces of FastUserIndex in es.uam.eps.ir.ranksys.rec.fast

Modifier and Type	Interface and Description
interface	FastRecommender<U,I> Fast recommender.

Classes in es.uam.eps.ir.ranksys.rec.fast that implement FastUserIndex

Modifier and Type	Class and Description
class	AbstractFastRecommender<U,I> Abstract (fast) recommender.
class	FastRankingRecommender<U,I> Recommender for top-n recommendations.

Fields in es.uam.eps.ir.ranksys.rec.fast declared as FastUserIndex

Modifier and Type	Field and Description
protected FastUserIndex<U>	AbstractFastRecommender.uIndex Fast user index.

Constructors in es.uam.eps.ir.ranksys.rec.fast with parameters of type FastUserIndex

Constructor and Description
AbstractFastRecommender(FastUserIndex<U> uIndex, FastItemIndex<I> iIndex) Constructor.
FastRankingRecommender(FastUserIndex<U> uIndex, FastItemIndex<I> iIndex) Constructor.

Uses of FastUserIndex in es.uam.eps.ir.ranksys.rec.fast.basic

Classes in es.uam.eps.ir.ranksys.rec.fast.basic that implement FastUserIndex

Modifier and Type	Class and Description
class	PopularityRecommender<U,I> Popularity-based recommender.
class	RandomRecommender<U,I> Random recommender.

Constructors in es.uam.eps.ir.ranksys.rec.fast.basic with parameters of type FastUserIndex

Constructor and Description
RandomRecommender(FastUserIndex<U> uIndex, FastItemIndex<I> iIndex) Constructor.

Uses of FastUserIndex in es.uam.eps.ir.ranksys.rec.runner.fast

Methods in es.uam.eps.ir.ranksys.rec.runner.fast with parameters of type FastUserIndex

Modifier and Type	Method and Description
static <U> Function<U,IntPredicate>	FastFilters.notSelf(FastUserIndex<U> users) For social network recommendations, void a user being recommended to herself.

Constructors in es.uam.eps.ir.ranksys.rec.runner.fast with parameters of type FastUserIndex

Constructor and Description
FastFilterRecommenderRunner(FastUserIndex<U> userIndex, FastItemIndex<I> itemIndex, Stream<U> users, Function<U,IntPredicate> userFilter, int maxLength) Constructor.

Uses of FastUserIndex in org.ranksys.compression.preferences

Classes in org.ranksys.compression.preferences that implement FastUserIndex

Modifier and Type	Class and Description
class	AbstractCODECPreferenceData<U,I,Cu,Ci> Abstract PreferenceData using compression.
class	BinaryCODECPreferenceData<U,I,Cu,Ci> PreferenceData for binary data using compression.
class	RatingCODECPreferenceData<U,I,Cu,Ci,Cv> PreferenceData for rating data using compression.

Constructors in org.ranksys.compression.preferences with parameters of type FastUserIndex

Constructor and Description
AbstractCODECPreferenceData(FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec) Constructor with default IdxPref to IdPref converters.
AbstractCODECPreferenceData(FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor with custom IdxPref to IdPref converters.
BinaryCODECPreferenceData(FastPreferenceData<U,I> preferences, FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec) Constructor that utilizes other PreferenceData object with default IdxPref to IdPref converters.
BinaryCODECPreferenceData(FastPreferenceData<U,I> preferences, FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor that utilizes other PreferenceData object with custom IdxPref to IdPref converters.
BinaryCODECPreferenceData(Stream<Tuple2io<int[]>> ul, Stream<Tuple2io<int[]>> il, FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec) Constructor using streams of user and items preferences lists with default IdxPref to IdPref converters.
BinaryCODECPreferenceData(Stream<Tuple2io<int[]>> ul, Stream<Tuple2io<int[]>> il, FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor using streams of user and items preferences lists with custom IdxPref to IdPref converters.
RatingCODECPreferenceData(FastPreferenceData<U,I> preferences, FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, CODEC<Cv> r_codec) Constructor that utilizes other PreferenceData object with default IdxPref to IdPref converters.
RatingCODECPreferenceData(FastPreferenceData<U,I> preferences, FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, CODEC<Cv> r_codec, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor that utilizes other PreferenceData object with custom IdxPref to IdPref converters.
RatingCODECPreferenceData(FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, CODEC<Cv> r_codec, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor custom IdxPref to IdPref converters that does not read any input data.
RatingCODECPreferenceData(Stream<Tuple2io<int[][]>> ul, Stream<Tuple2io<int[][]>> il, FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, CODEC<Cv> r_codec) Constructor using streams of user and items preferences lists with default IdxPref to IdPref converters.
RatingCODECPreferenceData(Stream<Tuple2io<int[][]>> ul, Stream<Tuple2io<int[][]>> il, FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, CODEC<Cv> r_codec, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor using streams of user and items preferences lists with custom IdxPref to IdPref converters.

Uses of FastUserIndex in org.ranksys.fast.preference

Subinterfaces of FastUserIndex in org.ranksys.fast.preference

Modifier and Type	Interface and Description
interface	FastPointWisePreferenceData<U,I> Fast point-wise preference data.
interface	FastPreferenceSampler<U,I> Fast preference sampler, for stochastic algorithms.

Classes in org.ranksys.fast.preference that implement FastUserIndex

Modifier and Type	Class and Description
class	AbstractFastPreferenceSampler<U,I> Abstract fast preference sampler, implementing methods from FastUserIndex and FastItemIndex.
class	IteratorsAbstractFastPreferenceData<U,I> Extends AbstractFastPreferenceData and implements the data access stream-based methods using the iterator-based ones.
class	StreamsAbstractFastPreferenceData<U,I> Extends AbstractFastPreferenceData and implements the data access iterator-based methods using the stream-based ones.

Constructors in org.ranksys.fast.preference with parameters of type FastUserIndex

Constructor and Description
AbstractFastPreferenceSampler(FastUserIndex<U> users, FastItemIndex<I> items) Constructor.
IteratorsAbstractFastPreferenceData(FastUserIndex<U> userIndex, FastItemIndex<I> itemIndex) Constructor with default IdxPref to IdPref converter.
IteratorsAbstractFastPreferenceData(FastUserIndex<U> userIndex, FastItemIndex<I> itemIndex, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor with custom IdxPref to IdPref converter.
StreamsAbstractFastPreferenceData(FastUserIndex<U> userIndex, FastItemIndex<I> itemIndex) Constructor with default IdxPref to IdPref converter.
StreamsAbstractFastPreferenceData(FastUserIndex<U> userIndex, FastItemIndex<I> itemIndex, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor with custom IdxPref to IdPref converter.

Uses of FastUserIndex in org.ranksys.fm

Classes in org.ranksys.fm that implement FastUserIndex

Modifier and Type	Class and Description
class	PreferenceFM<U,I> Wraps a factorisation machine to work with RankSys user-preference pairs.

Constructors in org.ranksys.fm with parameters of type FastUserIndex

Constructor and Description
PreferenceFM(FastUserIndex<U> users, FastItemIndex<I> items, org.ranksys.javafm.FM fm) Constructor with default converter to IdxPref.
PreferenceFM(FastUserIndex<U> users, FastItemIndex<I> items, org.ranksys.javafm.FM fm, Function<IdPref<I>,IdxPref> uPrefFun) Constructor with custom default converter to IdxPref.

Uses of FastUserIndex in org.ranksys.fm.rec

Classes in org.ranksys.fm.rec that implement FastUserIndex

Modifier and Type	Class and Description
class	FMRecommender<U,I> A recommender using a factorisation machine.

Uses of FastUserIndex in org.ranksys.formats.factorization

Methods in org.ranksys.formats.factorization with parameters of type FastUserIndex

Modifier and Type	Method and Description
<U,I> PreferenceFM	FMFormat.load(InputStream in, FastUserIndex<U> users, FastItemIndex<I> items) Loads a factorisation machine from an input stream.
<U,I> Factorization<U,I>	SimpleFactorizationFormat.load(InputStream in, FastUserIndex<U> uIndex, FastItemIndex<I> iIndex)
<U,I> PreferenceFM<U,I>	SimpleFMFormat.load(InputStream in, FastUserIndex<U> users, FastItemIndex<I> items)
<U,I> Factorization<U,I>	FactorizationFormat.load(InputStream in, FastUserIndex<U> uIndex, FastItemIndex<I> iIndex) Loads a matrix from a compressed input stream.

Uses of FastUserIndex in org.ranksys.lda

Classes in org.ranksys.lda that implement FastUserIndex

Modifier and Type	Class and Description
class	LDARecommender<U,I> LDA recommender.

Constructors in org.ranksys.lda with parameters of type FastUserIndex

Constructor and Description
LDARecommender(FastUserIndex<U> uIndex, FastItemIndex<I> iIndex, cc.mallet.topics.ParallelTopicModel topicModel) Constructor

Uses of FastUserIndex in org.ranksys.rec.fast

Classes in org.ranksys.rec.fast that implement FastUserIndex

Modifier and Type	Class and Description
class	FastEnsembleRecommender<U,I> Ensemble of recommenders, performs a linear combination of the scores given by several recommenders.