InterCommunityReranker

java.lang.Object

es.uam.eps.ir.relison.links.recommendation.reranking.global.globalranking.GlobalRankingGreedyReranker<U,I>

es.uam.eps.ir.relison.links.recommendation.reranking.global.globalranking.GlobalRankingLambdaReranker<U,U>

es.uam.eps.ir.relison.links.recommendation.reranking.global.globalranking.communities.InterCommunityReranker<U>

Type Parameters:: U - type of the users

All Implemented Interfaces:: GlobalReranker<U,U>

Direct Known Subclasses:: InterCommunityDegreeGiniComplement, InterCommunityEdgeGiniComplement, InverseCommunitySize

public abstract class InterCommunityReranker<U>
extends GlobalRankingLambdaReranker<U,U>

Global reranker for computing metrics that only use links between pairs of communities.

Field Summary

Fields
Modifier and Type	Field	Description
`protected Communities<U>`	`communities`	Communities of the graph.
`protected MultiGraph<java.lang.Integer>`	`communityGraph`	The community graph.
`protected Graph<U>`	`graph`	The original graph.

Fields inherited from class es.uam.eps.ir.relison.links.recommendation.reranking.global.globalranking.GlobalRankingLambdaReranker

lambda, novStats, recStats

Fields inherited from class es.uam.eps.ir.relison.links.recommendation.reranking.global.globalranking.GlobalRankingGreedyReranker

cutOff

Constructor Summary

Constructors
Constructor	Description
`InterCommunityReranker(double lambda, int cutoff, java.util.function.Supplier<Normalizer<U>> norm, Graph<U> graph, Communities<U> communities)`	Constructor.

Method Summary

Methods inherited from class es.uam.eps.ir.relison.links.recommendation.reranking.global.globalranking.GlobalRankingLambdaReranker
nov, score, selectRecommendation

Methods inherited from class es.uam.eps.ir.relison.links.recommendation.reranking.global.globalranking.GlobalRankingGreedyReranker
rerankRecommendations, update

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- communities
  
  protected final Communities<U> communities
  
  Communities of the graph.
- communityGraph
  
  protected final MultiGraph<java.lang.Integer> communityGraph
  
  The community graph.
- graph
  
  protected final Graph<U> graph
  
  The original graph.
Constructor Details
- InterCommunityReranker
  
  public InterCommunityReranker(double lambda, int cutoff, java.util.function.Supplier<Normalizer<U>> norm, Graph<U> graph, Communities<U> communities)
  
  Constructor.
  
  Parameters:
  
  lambda - trade-off between the recommendation score and the novelty/diversity value.
  
  cutoff - number of elements to take.
  
  norm - the normalization strategy.
  
  graph - the original graph.
  
  communities - the relation between users and communities.