Package es.uam.eps.ir.relison.links.recommendation.updateable

Class UserFastRankingUpdateableRecommender<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.updateable.UserFastRankingUpdateableRecommender<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>, UpdateableRecommender<U,​U>
Direct Known Subclasses:
UpdateableBM25
public abstract class UserFastRankingUpdateableRecommender<U>
extends UserFastRankingRecommender<U>
implements UpdateableRecommender<U,​U>
Abstract class for user recommendation in social networks. The recommendation algorithm can be updated over time.

  • Field Summary

    Fields inherited from class es.uam.eps.ir.relison.links.recommendation.UserFastRankingRecommender

    graph

    Fields inherited from class es.uam.eps.ir.ranksys.rec.fast.AbstractFastRecommender

    iIndex, uIndex

  • Constructor Summary

    Constructors 
    Constructor Description
    UserFastRankingUpdateableRecommender​(FastGraph<U> graph)
    Constructor.

  • Method Summary

    Modifier and Type Method Description
    void update​(java.util.stream.Stream<org.jooq.lambda.tuple.Tuple3<U,​U,​java.lang.Double>> newPrefs)
    Re-trains the recommender after receiving a set of preferences
    void updateDelete​(java.util.stream.Stream<org.jooq.lambda.tuple.Tuple3<U,​U,​java.lang.Double>> oldPrefs)
    Re-trains the recommender after removing some preferences

    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, getScoresMap

    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

    Methods inherited from interface es.uam.eps.ir.ranksys.fast.index.FastUserIndex

    containsUser, getAllUidx, getAllUsers, uidx2user, uidx2user, user2uidx, user2uidx

    Methods inherited from interface es.uam.eps.ir.ranksys.rec.Recommender

    getRecommendation, getRecommendation, getRecommendation, getRecommendation, getRecommendation

    Methods inherited from interface es.uam.eps.ir.relison.links.recommendation.updateable.UpdateableRecommender

    update, updateAddItem, updateAddUser, updateDelete

  • Constructor Details

  • Method Details

    • update

      public void update​(java.util.stream.Stream<org.jooq.lambda.tuple.Tuple3<U,​U,​java.lang.Double>> newPrefs)
      Re-trains the recommender after receiving a set of preferences
      Specified by:
      update in interface UpdateableRecommender<U,​U>
      Parameters:
      newPrefs - the new preferences

    • updateDelete

      public void updateDelete​(java.util.stream.Stream<org.jooq.lambda.tuple.Tuple3<U,​U,​java.lang.Double>> oldPrefs)
      Re-trains the recommender after removing some preferences
      Specified by:
      updateDelete in interface UpdateableRecommender<U,​U>
      Parameters:
      oldPrefs - the preferences to remove