On selecting a measure of retrieval effectiveness part II. Implementation of the philosophy.
William S. CooperPublished in: J. Am. Soc. Inf. Sci. (1973)
Keyphrases
- retrieval effectiveness
- test collection
- information retrieval systems
- query expansion
- retrieval model
- information retrieval
- average precision
- pseudo relevance feedback
- relevant documents
- relevance feedback
- similarity measure
- trec collections
- search engine
- relevance judgments
- query terms
- selection algorithm
- document collections
- web search
- training data
- feature extraction
- term dependencies
- query difficulty
- improvements in retrieval effectiveness