CFEngine API

org.recommender.util
Class ComputeEntropy

java.lang.Object
  |
  +--org.recommender.util.ComputeEntropy

public class ComputeEntropy
extends java.lang.Object

This set of scripts will be use to construct a framework for experiments on Recommender Systems. The purpose of these experiments is to determine how sampling user ratings that are cached by the RS system affects system accuracy and item coverage. This class compute the inverse user freqency for each item and assigns each user an average IUF value that it loads into our database.

Since:
JDK 1.2
Version:
Version 1.0.0, 05-03-2003
Author:
(Yun Wang)

Constructor Summary
ComputeEntropy()
           
 
Method Summary
 void doComp()
          compute the user entropy
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ComputeEntropy

public ComputeEntropy()
Method Detail

doComp

public void doComp()
            throws java.sql.SQLException
compute the user entropy

Throws:
java.sql.SQLException

CFEngine API

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