Package com.yahoo.fsa.topicpredictor

Class TopicPredictor

java.lang.Object

com.yahoo.fsa.MetaData

com.yahoo.fsa.topicpredictor.TopicPredictor

public class TopicPredictor
extends MetaData

Class for accessing the topic prediction automata. Look up the predicted topics for a term. Each topic has an attached weight and a term vector (topicSegments).

Author:

Peter Boros

Constructor Summary

Constructors

Constructor	Description
TopicPredictor(String fsafile, String datfile)
TopicPredictor(String fsafile, String datfile, String charsetname)

Method Summary

Modifier and Type	Method	Description
List<PredictedTopic>	getPredictedTopics(String segment)	Returns a list of PredictedTopic objects, one for each topic the segment maps to.
List<PredictedTopic>	getPredictedTopics(String segment, int maxTopics)	Returns a list of PredictedTopic objects, one for each topic the segment maps to.

Methods inherited from class com.yahoo.fsa.MetaData

getDirectRecordEntry, getIndirectRecordEntry, getIndirectRecordEntry, getIntEntry, getStringArrayEntry, getStringEntry, isOk, main, user

Methods inherited from class java.lang.Object

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

Constructor Details

TopicPredictor

public TopicPredictor(String fsafile,
 String datfile)

TopicPredictor

public TopicPredictor(String fsafile,
 String datfile,
 String charsetname)

Method Details

getPredictedTopics

public List<PredictedTopic> getPredictedTopics(String segment)

Returns a list of PredictedTopic objects, one for each topic the segment maps to. The returned list contains all topics, as opposed to the two-argument version.

Parameters:

segment - The segment string to find (all) topics for.

Returns:

(Linked)List of PredictedTopic objects.

getPredictedTopics

public List<PredictedTopic> getPredictedTopics(String segment,
 int maxTopics)

Returns a list of PredictedTopic objects, one for each topic the segment maps to. The returned list length is cut off at 'maxTopics' entries, maxTopics=0 returns all topics.

Parameters:

segment - The segment string to find topics for.

maxTopics - The max number of topics to return, 0 for all topics

Returns:

(Linked)List of PredictedTopic objects.