org.conqat.lib.commons.datamining

Class ShoppingBasketUser<T>

java.lang.Object

org.conqat.lib.commons.datamining.ShoppingBasketUser<T>

All Implemented Interfaces:

IRecommenderUser

public class ShoppingBasketUser<T>
extends java.lang.Object
implements IRecommenderUser

User represented by a shopping basket, i.e. a set of purchased items. The similarity measure used is cosine similarity (see http://en.wikipedia.org/wiki/Cosine_similarity).

Constructor Summary

Constructors

Constructor and Description
ShoppingBasketUser(java.util.Set<T> items) Constructor

Method Summary

Modifier and Type	Method and Description
java.util.Set<T>	getItems() Returns the items.
double	similarity(IRecommenderUser other) Returns the similarity [0..1] of this user to the given user.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ShoppingBasketUser

public ShoppingBasketUser(java.util.Set<T> items)

Constructor

Method Detail

getItems

public java.util.Set<T> getItems()

Returns the items.

similarity

public double similarity(IRecommenderUser other)

Returns the similarity [0..1] of this user to the given user.

Specified by:

similarity in interface IRecommenderUser

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object