Weighting Query Terms Based on Distributional Statistics.
Jussi KarlgrenMagnus SahlgrenRickard CösterPublished in: CLEF (2005)
Keyphrases
- query terms
- co occurrence
- term weighting
- retrieval effectiveness
- language model
- query expansion
- information retrieval
- retrieval model
- document retrieval
- information retrieval systems
- user queries
- document collections
- query logs
- noun phrases
- search queries
- cross language information retrieval
- tf idf
- ranked list
- result set
- pseudo relevance feedback
- verbose queries
- semantically related
- proper names
- related concepts
- weighting scheme
- language modeling
- retrieved documents
- query translation
- term frequency
- relevance scores
- similarity measure