Package ai.preferred.cerebro.core.algorithm

Class Algorithm

java.lang.Object

ai.preferred.cerebro.core.algorithm.Algorithm

Direct Known Subclasses:

IBPR, PMF

public abstract class Algorithm
extends java.lang.Object

This class provides several utility for recommendation algorithms

Author:

ddle.2015

Constructor Summary

Constructors

Constructor	Description
Algorithm()

Method Summary

Modifier and Type	Method	Description
Parameter	getParams()
abstract java.lang.String	getType()
void	loadSettings(java.lang.String settingStr)	Load the learning setting
abstract double	score(AbstractVector userVector, AbstractVector itemVector)
void	setParams(Parameter params)
abstract void	update(AbstractVector userVector, AbstractVector v, double multiplier)

Methods inherited from class java.lang.Object

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

Constructor Detail

Algorithm

public Algorithm()

Method Detail

score

public abstract double score(AbstractVector userVector,
                             AbstractVector itemVector)

update

public abstract void update(AbstractVector userVector,
                            AbstractVector v,
                            double multiplier)

getType

public abstract java.lang.String getType()

loadSettings

public void loadSettings(java.lang.String settingStr)

Load the learning setting

Parameters:

settingStr - Setting for recommendation algorithms

getParams

public Parameter getParams()

setParams

public void setParams(Parameter params)