Class PersonalizedHITS<U>
java.lang.Object
es.uam.eps.ir.ranksys.rec.AbstractRecommender<U,I>
es.uam.eps.ir.ranksys.rec.fast.AbstractFastRecommender<U,I>
es.uam.eps.ir.ranksys.rec.fast.FastRankingRecommender<U,U>
es.uam.eps.ir.relison.links.recommendation.UserFastRankingRecommender<U>
es.uam.eps.ir.relison.links.recommendation.algorithms.standalone.bipartite.BipartiteRecommender<U>
es.uam.eps.ir.relison.links.recommendation.algorithms.standalone.randomwalk.PersonalizedHITS<U>
- Type Parameters:
U
- type of the users
- All Implemented Interfaces:
es.uam.eps.ir.ranksys.core.index.ItemIndex<U>
,es.uam.eps.ir.ranksys.core.index.UserIndex<U>
,es.uam.eps.ir.ranksys.fast.index.FastItemIndex<U>
,es.uam.eps.ir.ranksys.fast.index.FastUserIndex<U>
,es.uam.eps.ir.ranksys.rec.fast.FastRecommender<U,U>
,es.uam.eps.ir.ranksys.rec.Recommender<U,U>
public class PersonalizedHITS<U> extends BipartiteRecommender<U>
Personalized version of the HITS recommender.
Reference: A. Goel. The Who-To-Follow System at Twitter: Algorithms, Impact and Further Research. 32rd Annual International Conference on World Wide Web (2014), industry track (2014)
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Field Summary
Fields Modifier and Type Field Description private double
alpha
Teleport rate.private static double
THRESHOLD
Convergence threshold.Fields inherited from class es.uam.eps.ir.relison.links.recommendation.algorithms.standalone.bipartite.BipartiteRecommender
authorities, bipartiteGraph, hubs, mode
Fields inherited from class es.uam.eps.ir.relison.links.recommendation.UserFastRankingRecommender
graph
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Constructor Summary
Constructors Constructor Description PersonalizedHITS(FastGraph<U> graph, boolean mode, double alpha)
Constructor -
Method Summary
Modifier and Type Method Description it.unimi.dsi.fastutil.ints.Int2DoubleMap
getScoresMap(int i)
Methods inherited from class es.uam.eps.ir.relison.links.recommendation.UserFastRankingRecommender
getFreq, getFreq, getGraph
Methods inherited from class es.uam.eps.ir.ranksys.rec.fast.FastRankingRecommender
getRecommendation
Methods inherited from class es.uam.eps.ir.ranksys.rec.fast.AbstractFastRecommender
getRecommendation, getRecommendation, getRecommendation, getRecommendation, getRecommendation, getRecommendation, getRecommendation, iidx2item, item2iidx, numItems, numUsers, uidx2user, user2uidx
Methods inherited from class es.uam.eps.ir.ranksys.rec.AbstractRecommender
getRecommendation, getRecommendation
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface es.uam.eps.ir.ranksys.fast.index.FastItemIndex
containsItem, getAllIidx, getAllItems, iidx2item, iidx2item, item2iidx, item2iidx
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Field Details
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alpha
private final double alphaTeleport rate. -
THRESHOLD
private static final double THRESHOLDConvergence threshold.- See Also:
- Constant Field Values
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Constructor Details
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PersonalizedHITS
Constructor- Parameters:
graph
- original graph.mode
- true to recommend authorities, false to recommend hubs.alpha
- the teleport rate.
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Method Details
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getScoresMap
public it.unimi.dsi.fastutil.ints.Int2DoubleMap getScoresMap(int i)
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