Orthogonal Query Expansion
Margareta AckermanDavid LokerAlejandro López-OrtizPublished in: CoRR (2011)
Keyphrases
- query expansion
- retrieval effectiveness
- information retrieval systems
- language modeling
- relevance feedback
- language model
- text retrieval
- ad hoc retrieval
- relevant documents
- pseudo relevance feedback
- information retrieval
- retrieval model
- query terms
- automatic query expansion
- improving search
- ranked retrieval
- web corpora
- trec genomics track
- original query
- search engine
- query disambiguation
- retrieved documents
- vocabulary mismatch
- term selection
- probabilistic retrieval model