Improved Retrieval Effectiveness Through Impact Transformation.
Vo Ngoc AnhAlistair MoffatPublished in: Australasian Database Conference (2002)
Keyphrases
- retrieval effectiveness
- information retrieval systems
- test collection
- information retrieval
- query expansion
- retrieval model
- average precision
- relevant documents
- pseudo relevance feedback
- relevance feedback
- retrieval process
- retrieved documents
- term dependencies
- retrieval strategies
- automatic query expansion
- retrieval efficiency
- language model
- information extraction
- query terms
- database
- query difficulty
- patent retrieval
- ranked retrieval
- patent search
- search terms
- relevance scores
- keywords
- co occurrence