Evolving Weighting Functions for Query Expansion Based on Relevance Feedback.
Ali BorjiMansoor Zolghadri JahromiPublished in: APWeb (2008)
Keyphrases
- query expansion
- weighting functions
- relevance feedback
- term weighting
- cost function
- information retrieval systems
- pseudo relevance feedback
- language modeling
- text retrieval
- retrieval effectiveness
- information retrieval
- document retrieval
- relevant documents
- retrieval model
- control parameters
- query terms
- automatic query expansion
- user feedback
- regularization term
- image retrieval
- initial query
- active learning
- retrieval accuracy
- query refinement
- language model
- original query
- probabilistic retrieval model
- implicit relevance feedback
- retrieved documents
- text categorization
- text classification
- image classification
- learning process
- keywords