OriginalDirectEdgeMetricReranker.OriginalDirectGraphMetricEdgeReranker

java.lang.Object

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

es.uam.eps.ir.relison.links.recommendation.reranking.local.edge.EdgeMetricReranker.GraphMetricEdgeReranker

es.uam.eps.ir.relison.links.recommendation.reranking.local.edge.OriginalDirectEdgeMetricReranker.OriginalDirectGraphMetricEdgeReranker

Enclosing class:: OriginalDirectEdgeMetricReranker<U>

protected class OriginalDirectEdgeMetricReranker.OriginalDirectGraphMetricEdgeReranker
extends EdgeMetricReranker.GraphMetricEdgeReranker

Class that reranks an individual recommendation using the original value of the edge metric.

Field Summary

Fields

Modifier and Type Field Description

private java.util.Map<U,java.lang.Double> values
the values for each user in the ranking

Fields inherited from class es.uam.eps.ir.relison.links.recommendation.reranking.local.edge.EdgeMetricReranker.GraphMetricEdgeReranker
graph, metric

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

Constructor Summary

Constructors
Constructor	Description
`OriginalDirectGraphMetricEdgeReranker(es.uam.eps.ir.ranksys.core.Recommendation<U,U> recommendation, int maxLength, Graph<U> graph, PairMetric<U> metric)`	Constructor.

Method Summary

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

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
- values
  
  private final java.util.Map<U,java.lang.Double> values
  
  the values for each user in the ranking
Constructor Details
- OriginalDirectGraphMetricEdgeReranker
  
  public OriginalDirectGraphMetricEdgeReranker(es.uam.eps.ir.ranksys.core.Recommendation<U,U> recommendation, int maxLength, Graph<U> graph, PairMetric<U> metric)
  
  Constructor.
  
  Parameters:
  
  recommendation - the recommendation we want to rerank.
  
  maxLength - the maximum length of the definitive ranking.
  
  graph - the graph.
  
  metric - the metric we want to use for reranking.
Method Details
- nov
  
  protected double nov(org.ranksys.core.util.tuples.Tuple2od<U> iv)
  
  Description copied from class: LambdaReranker.LambdaUserReranker
  
  Returns the novelty score of an item.
  
  Specified by:
  
  nov in class LambdaReranker.LambdaUserReranker
  
  Parameters:
  
  iv - item-relevance pair
  
  Returns:
  
  the novelty of the item
- update
  
  protected void update(org.ranksys.core.util.tuples.Tuple2od<U> bestItemValue)