dragon.ir.topicmodel

Interface TopicModel

All Known Implementing Classes:

AbstractTopicModel, AspectModel, GibbsLDA, SimpleMixtureModel

public interface TopicModel

Interface of topic models

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Method Summary

Modifier and Type	Method and Description
boolean	estimateModel(int topicNum) Estimate the topic models
int	getDocNum()
double[]	getDocTopics(int docIndex)
String	getTermName(int termIndex)
int	getTermNum()
double[]	getTopic(int topicIndex)
int	getTopicNum()

Method Detail

estimateModel

boolean estimateModel(int topicNum)

Estimate the topic models

Parameters:

topicNum - the number of topics

Returns:

true if estimating successfully

getTopicNum

int getTopicNum()

getTopic

double[] getTopic(int topicIndex)

Parameters:

topicIndex - the index of the topic

Returns:

the distribution (over words) of the given topic

getDocNum

int getDocNum()

Returns:

the number of documents

getDocTopics

double[] getDocTopics(int docIndex)

Parameters:

docIndex - the index of the document

Returns:

the distribution (over topics) of the given document

getTermNum

int getTermNum()

Returns:

the number of topical terms

getTermName

String getTermName(int termIndex)

Parameters:

termIndex - the index of the topical term

Returns:

the name of the given topical term