Query expansion: Internet mining vs. pseudo relevance feedback.
Dmitri RoussinovGheorghe MuresanPublished in: ASIST (2007)
Keyphrases
- pseudo relevance feedback
- query expansion
- retrieval effectiveness
- information retrieval systems
- expansion terms
- language model
- ad hoc retrieval
- information retrieval
- retrieved documents
- automatic query expansion
- relevant documents
- language modeling
- document retrieval
- trec genomics track
- original query
- language modelling
- term selection
- retrieval accuracy
- relevance model
- relevance feedback
- text retrieval
- vocabulary mismatch
- trec collections
- query specific
- retrieval model
- pseudo feedback
- document ranking
- query terms
- short queries
- interactive query expansion
- average precision
- user queries
- active learning