es.uam.eps.ir.ranksys.novelty.unexp

Class PDItemNovelty<U,I>

java.lang.Object

es.uam.eps.ir.ranksys.core.model.UserModel<U>

es.uam.eps.ir.ranksys.novdiv.itemnovelty.ItemNovelty<U,I>

es.uam.eps.ir.ranksys.novelty.unexp.PDItemNovelty<U,I>

Type Parameters:

U - type of the users

I - type of the items

public class PDItemNovelty<U,I>
extends ItemNovelty<U,I>

Expected profile distance item novelty. S. Vargas. Novelty and diversity evaluation and enhancement in Recommender Systems. PhD Thesis. S. Vargas and P. Castells. Rank and relevance in novelty and diversity for Recommender Systems. RecSys 2011.

Author:

Saúl Vargas (saul.vargas@uam.es), Pablo Castells (pablo.castells@uam.es)

Nested Class Summary

Nested classes/interfaces inherited from class es.uam.eps.ir.ranksys.novdiv.itemnovelty.ItemNovelty

ItemNovelty.UserItemNoveltyModel<U,I>

Nested classes/interfaces inherited from class es.uam.eps.ir.ranksys.core.model.UserModel

UserModel.Model<U>

Constructor Summary

Constructors

Constructor and Description
PDItemNovelty(boolean caching, PreferenceData<U,I> recommenderData, ItemDistanceModel<I> dist) Constructor.

Method Summary

Modifier and Type	Method and Description
protected ItemNovelty.UserItemNoveltyModel<U,I>	get(U u) Calculates the user model for user u.

Methods inherited from class es.uam.eps.ir.ranksys.novdiv.itemnovelty.ItemNovelty

getModel

Methods inherited from class es.uam.eps.ir.ranksys.core.model.UserModel

initialize

Methods inherited from class java.lang.Object

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

Constructor Detail

PDItemNovelty

public PDItemNovelty(boolean caching,
                     PreferenceData<U,I> recommenderData,
                     ItemDistanceModel<I> dist)

Constructor.

Parameters:

caching - are profile distances cached?

recommenderData - preference data

dist - item distance model

Method Detail

get

protected ItemNovelty.UserItemNoveltyModel<U,I> get(U u)

Description copied from class: UserModel

Calculates the user model for user u.

Specified by:

get in class ItemNovelty<U,I>

Parameters:

u - the user

Returns:

a user model