es.uam.eps.ir.ranksys.nn.user.sim

Class VectorJaccardUserSimilarity<U>

java.lang.Object

es.uam.eps.ir.ranksys.nn.user.sim.UserSimilarity<U>

es.uam.eps.ir.ranksys.nn.user.sim.VectorJaccardUserSimilarity<U>

Type Parameters:

U - type of the users

All Implemented Interfaces:

UserIndex<U>, FastUserIndex<U>, Similarity

public class VectorJaccardUserSimilarity<U>
extends UserSimilarity<U>

Vector Jaccard user similarity. See VectorJaccardSimilarity.

Author:

Saúl Vargas (saul.vargas@uam.es)

Field Summary

Fields inherited from class es.uam.eps.ir.ranksys.nn.user.sim.UserSimilarity

sim, uIndex

Constructor Summary

Constructors

Constructor and Description
VectorJaccardUserSimilarity(FastPreferenceData<U,?> data, boolean dense) Constructor.

Method Summary

Methods inherited from class es.uam.eps.ir.ranksys.nn.user.sim.UserSimilarity

numUsers, similarElems, similarity, similarity, similarity, similarity, similarUsers, similarUsers, uidx2user, user2uidx

Methods inherited from class java.lang.Object

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

Methods inherited from interface es.uam.eps.ir.ranksys.fast.index.FastUserIndex

containsUser, getAllUidx, getAllUsers, uidx2user, uidx2user, user2uidx, user2uidx

Constructor Detail

VectorJaccardUserSimilarity

public VectorJaccardUserSimilarity(FastPreferenceData<U,?> data,
                                   boolean dense)

Constructor.

Parameters:

data - preference data

dense - true for array-based calculations, false to map-based