Package es.uam.eps.ir.relison.links.data.letor

Class InstanceSetCombiner<U>

java.lang.Object
es.uam.eps.ir.relison.links.data.letor.InstanceSetCombiner<U>
Type Parameters:
U - type of the users.
public class InstanceSetCombiner<U>
extends java.lang.Object
Auxiliar class for combining instance set in different manners.

  • Constructor Summary

    Constructors 
    Constructor Description
    InstanceSetCombiner()  

  • Method Summary

    Modifier and Type Method Description
    private Instance<U> combine​(Instance<U> first, Instance<U> second)
    Combines two instances.
    private Instance<U> combine​(Instance<U> first, java.util.List<java.lang.Integer> firstFeats, Instance<U> second, java.util.List<java.lang.Integer> secondFeats)
    Combines two instances.
    InstanceSet<U> combine​(InstanceSet<U> first, InstanceSet<U> second)
    Combines two instance sets.
    InstanceSet<U> combine​(InstanceSet<U> first, java.util.List<java.lang.Integer> firstFeats, InstanceSet<U> second, java.util.List<java.lang.Integer> secondFeats)
    Combines two instance sets.The combined set only contains instances which are present in both sets, and share the same category.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

  • Method Details

    • combine

      public InstanceSet<U> combine​(InstanceSet<U> first, InstanceSet<U> second)
      Combines two instance sets. The combined set only contains instances which are present in both sets, and share the same category. This approach just concatenates the instances.
      Parameters:
      first - the first instance set.
      second - the second instance set.
      Returns:
      the combined instance set.

    • combine

      public InstanceSet<U> combine​(InstanceSet<U> first, java.util.List<java.lang.Integer> firstFeats, InstanceSet<U> second, java.util.List<java.lang.Integer> secondFeats)
      Combines two instance sets.The combined set only contains instances which are present in both sets, and share the same category. This approach selects a subset of the features for each instance.
      Parameters:
      first - the first instance set.
      firstFeats - the indexes of the features to use from the first set.
      second - the second instance set.
      secondFeats - the indexes of the features to use from the second set.
      Returns:
      the combined instance set.

    • combine

      private Instance<U> combine​(Instance<U> first, Instance<U> second)
      Combines two instances.
      Parameters:
      first - the first instance.
      second - the second instance.
      Returns:
      the combined instance.

    • combine

      private Instance<U> combine​(Instance<U> first, java.util.List<java.lang.Integer> firstFeats, Instance<U> second, java.util.List<java.lang.Integer> secondFeats)
      Combines two instances.
      Parameters:
      first - the first instance.
      firstFeats - the features to use from the first instance.
      second - the second instance.
      secondFeats - the features to use from the second instance.
      Returns:
      the combined instance.