es.uam.eps.ir.ranksys.nn.neighborhood

Class ThresholdNeighborhood

java.lang.Object

es.uam.eps.ir.ranksys.nn.neighborhood.ThresholdNeighborhood

All Implemented Interfaces:

Neighborhood

public class ThresholdNeighborhood
extends Object
implements Neighborhood

Threshold neighborhood. Items with a similarity above a threshold are kept as neighbors.

Author:

Saúl Vargas (saul.vargas@uam.es)

Constructor Summary

Constructors

Constructor and Description
ThresholdNeighborhood(Similarity sim, double threshold) Constructor.

Method Summary

Modifier and Type	Method and Description
Stream<Tuple2id>	getNeighbors(int idx) Returns the neighborhood of a user/index.

Methods inherited from class java.lang.Object

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

Constructor Detail

ThresholdNeighborhood

public ThresholdNeighborhood(Similarity sim,
                             double threshold)

Constructor.

Parameters:

sim - similarity

threshold - minimum value to be considered as neighbor

Method Detail

getNeighbors

public Stream<Tuple2id> getNeighbors(int idx)

Returns the neighborhood of a user/index.

Specified by:

getNeighbors in interface Neighborhood

Parameters:

idx - user/index whose neighborhood is calculated

Returns:

stream of user/item-similarity pairs.