org.ranksys.formats.rec

Class SimpleRecommendationFormat<U,I>

java.lang.Object

org.ranksys.formats.rec.TuplesRecommendationFormat<U,I>

org.ranksys.formats.rec.SimpleRecommendationFormat<U,I>

Type Parameters:

U - type of the users

I - type of the items

All Implemented Interfaces:

RecommendationFormat<U,I>

public class SimpleRecommendationFormat<U,I>
extends TuplesRecommendationFormat<U,I>

Simple format for recommendations: tab-separated user-item-score triplets, grouping first by user (not necessarily in order) and then by decreasing order of score.

Author:

Saúl Vargas (saul.vargas@uam.es)

Nested Class Summary

Nested classes/interfaces inherited from class org.ranksys.formats.rec.TuplesRecommendationFormat

TuplesRecommendationFormat.Reader, TuplesRecommendationFormat.Writer

Constructor Summary

Constructors

Constructor and Description
SimpleRecommendationFormat(Parser<U> uParser, Parser<I> iParser) Constructor.
SimpleRecommendationFormat(Parser<U> uParser, Parser<I> iParser, boolean sortByDecreasingScore) Constructor.

Method Summary

Methods inherited from class org.ranksys.formats.rec.TuplesRecommendationFormat

getReader, getWriter

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.ranksys.formats.rec.RecommendationFormat

getReader, getReader, getReader, getWriter, getWriter, getWriter

Constructor Detail

SimpleRecommendationFormat

public SimpleRecommendationFormat(Parser<U> uParser,
                                  Parser<I> iParser)

Constructor.

Parameters:

uParser - user type parser

iParser - item type parser

SimpleRecommendationFormat

public SimpleRecommendationFormat(Parser<U> uParser,
                                  Parser<I> iParser,
                                  boolean sortByDecreasingScore)

Constructor.

Parameters:

uParser - user type parser

iParser - item type parser

sortByDecreasingScore - sort read tuples by decreasing score?