net.sf.classifier4J.bayesian
Interface IWordsDataSource

All Known Subinterfaces:

ICategorisedWordsDataSource

All Known Implementing Classes:

JDBCWordsDataSource, SimpleWordsDataSource

public interface IWordsDataSource

Interface used by BayesianClassifier to determine the probability of each word.

Author:

Nick Lothian, Peter Leschev

Method Summary

void	addMatch(java.lang.String word) Add a matching word to the data source
void	addNonMatch(java.lang.String word) Add a non-matching word to the data source
WordProbability	getWordProbability(java.lang.String word)

Method Detail

getWordProbability

public WordProbability getWordProbability(java.lang.String word)
                                   throws WordsDataSourceException

Parameters:

word - The word to calculate the probability of

Returns:

The word probability if the word exists, null otherwise;

Throws:

WordsDataSourceException - If there is a fatal problem. For example, the database is unavailable

addMatch

public void addMatch(java.lang.String word)
              throws WordsDataSourceException

Add a matching word to the data source

Parameters:

word - the word that matches

Throws:

WordsDataSourceException - If there is a fatal problem. For example, the database is unavailable

addNonMatch

public void addNonMatch(java.lang.String word)
                 throws WordsDataSourceException

Add a non-matching word to the data source

Parameters:

word - the word that does not match

Throws:

WordsDataSourceException - If there is a fatal problem. For example, the database is unavailable