Knowledge-Based Approaches to Query Expansion in Information Retrieval.
Richard C. BodnerFei SongPublished in: Canadian Conference on AI (1996)
Keyphrases
- query expansion
- information retrieval
- information retrieval systems
- pseudo feedback
- retrieval effectiveness
- language modeling
- language model
- text retrieval
- relevance feedback
- automatic query expansion
- relevant documents
- pseudo relevance feedback
- retrieval model
- probabilistic retrieval model
- ad hoc retrieval
- term selection
- trec genomics track
- test collection
- query terms
- original query
- query expansion methods
- improving search
- machine learning
- short queries
- trec collections
- document ranking
- document retrieval
- passage retrieval
- retrieved documents
- patent retrieval
- learning process
- model for information retrieval
- biomedical information retrieval