Package dragon.ir.search.feedback

Various pseudo-relevance feedback models.

See:
Description

Interface Summary

Feedback

Interface of pseudo-relevance feedback method

Class Summary

AbstractFeedback	Abstract Feedback
GenerativeFeedback	Model-based Feedback
InformationFlowFeedback	Feedback based on information flow
MinDivergenceFeedback	Feedback based on Minimum Divergence
PhraseTransFeedback	Feedback based on phrase-word translation
RelationTransFeedback	Feedback based on relation-term translation
RocchioFeedback	Rocchio Feedback

Package dragon.ir.search.feedback Description

Various pseudo-relevance feedback models.

Package Specification

Basically, a feedback will return a new query given the original query and an intial searcher. To develop a new feedback, one should implement an interface called Feedback. To use pseudo-relevance feedback, one can simply call a feedback searcher (dragon.ir.search.FeedbackSearcher)