CompleteCommunityReranker

java.lang.Object

es.uam.eps.ir.relison.links.recommendation.reranking.global.local.LocalReranker<U,I>

es.uam.eps.ir.relison.links.recommendation.reranking.global.local.LocalGreedyReranker<U,I>

es.uam.eps.ir.relison.links.recommendation.reranking.global.local.LocalLambdaReranker<U,U>

es.uam.eps.ir.relison.links.recommendation.reranking.global.local.GraphLocalReranker<U>

es.uam.eps.ir.relison.links.recommendation.reranking.global.local.communities.CompleteCommunityReranker<U>

Type Parameters:: U - type of the users

All Implemented Interfaces:: GlobalReranker<U,U>

Direct Known Subclasses:: StrongTiesReranker, WeakTiesReranker

public abstract class CompleteCommunityReranker<U>
extends GraphLocalReranker<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
`protected MultiGraph<java.lang.Integer>`	`communityGraph`	The community graph.
`protected boolean`	`selfloops`	True if self-loops are allowed, false otherwise.

Fields inherited from class es.uam.eps.ir.relison.links.recommendation.reranking.global.local.GraphLocalReranker

graph

Fields inherited from class es.uam.eps.ir.relison.links.recommendation.reranking.global.local.LocalLambdaReranker

novMap, novStats, relStats

Fields inherited from class es.uam.eps.ir.relison.links.recommendation.reranking.global.local.LocalGreedyReranker

cutOff

Constructor Summary

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

Method Summary

Methods inherited from class es.uam.eps.ir.relison.links.recommendation.reranking.global.local.GraphLocalReranker
innerUpdate, update

Methods inherited from class es.uam.eps.ir.relison.links.recommendation.reranking.global.local.LocalLambdaReranker
nov, rerankPermutation, selectItem, value

Methods inherited from class es.uam.eps.ir.relison.links.recommendation.reranking.global.local.LocalGreedyReranker
getBasePerm, rerankRecommendation

Methods inherited from class es.uam.eps.ir.relison.links.recommendation.reranking.global.local.LocalReranker
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
- communityGraph
  
  protected final MultiGraph<java.lang.Integer> communityGraph
  
  The community graph.
- selfloops
  
  protected final boolean selfloops
  
  True if self-loops are allowed, false otherwise.
Constructor Details
- CompleteCommunityReranker
  
  public CompleteCommunityReranker(double lambda, int cutoff, java.util.function.Supplier<Normalizer<U>> norm, Graph<U> graph, Communities<U> communities, boolean selfloops)
  
  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.
  
  selfloops - true if self-loops are allowed, false otherwise.