Class ProgressiveInverseEdgeMetricReranker.ProgressiveInverseGraphMetricEdgeReranker

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.ProgressiveInverseEdgeMetricReranker.ProgressiveInverseGraphMetricEdgeReranker
Enclosing class:
ProgressiveInverseEdgeMetricReranker<U>

protected class ProgressiveInverseEdgeMetricReranker.ProgressiveInverseGraphMetricEdgeReranker
extends EdgeMetricReranker.GraphMetricEdgeReranker
Class that reranks an individual recommendation using the edge metric value in the extended graph (adding all the previous edges).
  • Constructor Details

    • ProgressiveInverseGraphMetricEdgeReranker

      public ProgressiveInverseGraphMetricEdgeReranker​(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 ranking.
      graph - the graph.
      metric - the metric.
  • 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)