Experiments with Query Expansion in the RAPOSA (FOX) Question Answering System.
Luís SarmentoJorge TeixeiraEugénio C. OliveiraPublished in: CLEF (Working Notes) (2008)
Keyphrases
- query expansion
- information retrieval systems
- retrieval effectiveness
- question answering
- information retrieval
- language model
- language modeling
- relevance feedback
- text retrieval
- pseudo relevance feedback
- natural language
- improving search
- retrieval model
- relevant documents
- ad hoc retrieval
- model for information retrieval
- biomedical information retrieval
- automatic query expansion
- original query
- ranking scheme
- web corpora
- query disambiguation
- query translation
- retrieved documents
- sentence retrieval
- web search
- ranked retrieval
- trec genomics track