dragon.ir.topicmodel

Class AspectModel

java.lang.Object

dragon.ir.topicmodel.AbstractModel

dragon.ir.topicmodel.AbstractTopicModel

dragon.ir.topicmodel.AspectModel

All Implemented Interfaces:

TopicModel

public class AspectModel
extends AbstractTopicModel

Aspect topic model

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Field Summary

Fields inherited from class dragon.ir.topicmodel.AbstractTopicModel

arrDocTheme, arrThemeTerm, docNum, indexReader, termNum, themeNum

Fields inherited from class dragon.ir.topicmodel.AbstractModel

iterations, seed, statusOut

Constructor Summary

Constructors

Constructor and Description
AspectModel(IndexReader indexReader)

Method Summary

Modifier and Type	Method and Description
boolean	estimateModel(int topicNum) Estimate the topic models
boolean	estimateModel(int[] arrDoc, int topicNum)
protected void	initialize(int termNum, int themeNum, int docNum, double[][] arrModel, double[][] arrDocMembership)

Methods inherited from class dragon.ir.topicmodel.AbstractTopicModel

getDocNum, getDocTopics, getTermName, getTermNum, getTopic, getTopicNum

Methods inherited from class dragon.ir.topicmodel.AbstractModel

getBkgModel, getIterationNum, printStatus, setIterationNum, setRandomSeed, setStatusOut

Methods inherited from class java.lang.Object

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

Constructor Detail

AspectModel

public AspectModel(IndexReader indexReader)

Method Detail

estimateModel

public boolean estimateModel(int topicNum)

Description copied from interface: TopicModel

Estimate the topic models

Parameters:

topicNum - the number of topics

Returns:

true if estimating successfully

estimateModel

public boolean estimateModel(int[] arrDoc,
                             int topicNum)

initialize

protected void initialize(int termNum,
                          int themeNum,
                          int docNum,
                          double[][] arrModel,
                          double[][] arrDocMembership)