InterCommunityDegreeGiniComplement.CommGiniUserReranker

java.lang.Object

es.uam.eps.ir.relison.links.recommendation.reranking.local.LambdaReranker.LambdaUserReranker

es.uam.eps.ir.relison.links.recommendation.reranking.local.communities.InterCommunityReranker.CommunityMetricUserReranker

es.uam.eps.ir.relison.links.recommendation.reranking.local.communities.InterCommunityDegreeGiniComplement.CommGiniUserReranker

Enclosing class:: InterCommunityDegreeGiniComplement<U>

protected class InterCommunityDegreeGiniComplement.CommGiniUserReranker
extends InterCommunityReranker.CommunityMetricUserReranker

Class that reranks an individual recommendation using Community Gini.

Field Summary

Fields
Modifier and Type	Field	Description
`protected java.util.Map<java.lang.Integer,java.lang.Integer>`	`degrees`	Community degrees.
`protected EdgeOrientation`	`orientation`	Edge orientation.
`protected double`	`sum`	Sum of the community degrees.

Fields inherited from class es.uam.eps.ir.relison.links.recommendation.reranking.local.communities.InterCommunityReranker.CommunityMetricUserReranker

communities, communityGraph

Fields inherited from class es.uam.eps.ir.relison.links.recommendation.reranking.local.LambdaReranker.LambdaUserReranker

novMap, novStats, relStats

Constructor Summary

Constructors
Constructor	Description
`CommGiniUserReranker(es.uam.eps.ir.ranksys.core.Recommendation<U,U> recommendation, int maxLength, MultiGraph<java.lang.Integer> communityGraph, Communities<U> communities, EdgeOrientation orientation, java.util.Map<java.lang.Integer,java.lang.Integer> degrees, double sum)`	Constructor

Method Summary

Modifier and Type	Method	Description
`protected double`	`nov(org.ranksys.core.util.tuples.Tuple2od<U> tpld)`	Returns the novelty score of an item.
`protected void`	`update(org.ranksys.core.util.tuples.Tuple2od<U> tpld)`

Methods inherited from class es.uam.eps.ir.relison.links.recommendation.reranking.local.LambdaReranker.LambdaUserReranker

selectItem, value

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- sum
  
  protected double sum
  
  Sum of the community degrees.
- degrees
  
  protected java.util.Map<java.lang.Integer,java.lang.Integer> degrees
  
  Community degrees.
- orientation
  
  protected EdgeOrientation orientation
  
  Edge orientation.
Constructor Details
- CommGiniUserReranker
  
  public CommGiniUserReranker(es.uam.eps.ir.ranksys.core.Recommendation<U,U> recommendation, int maxLength, MultiGraph<java.lang.Integer> communityGraph, Communities<U> communities, EdgeOrientation orientation, java.util.Map<java.lang.Integer,java.lang.Integer> degrees, double sum)
  
  Constructor
  
  Parameters:
  
  recommendation - the recommendation to be reranked
  
  maxLength - the maximum length of the reranked list.
  
  communityGraph - the community graph.
  
  communities - the communities
  
  orientation - the orientation of the edges.
  
  degrees - the degrees for each community.
  
  sum - the sum of the degrees.
Method Details
- nov
  
  protected double nov(org.ranksys.core.util.tuples.Tuple2od<U> tpld)
  
  Description copied from class: LambdaReranker.LambdaUserReranker
  
  Returns the novelty score of an item.
  
  Specified by:
  
  nov in class LambdaReranker.LambdaUserReranker
  
  Parameters:
  
  tpld - item-relevance pair
  
  Returns:
  
  the novelty of the item
- update
  
  protected void update(org.ranksys.core.util.tuples.Tuple2od<U> tpld)