TREC 11 Experiments at NII: The Effects of Virtual Relevant Documents in Batch Filtering.
Kyung-Soon LeeKyo KageuraAkiko N. AizawaPublished in: TREC (2002)
Keyphrases
- relevant documents
- test collection
- retrieval effectiveness
- information retrieval
- pseudo relevance feedback
- relevance judgments
- number of relevant documents
- relevance feedback
- trec ad hoc
- query expansion
- document retrieval
- information retrieval systems
- document rankings
- retrieval systems
- document collections
- retrieval model
- information filtering
- highly relevant
- retrieved documents
- user queries
- average precision
- query terms
- search tasks
- user feedback
- language model
- recall oriented
- relevance judgements
- short queries
- relevant and non relevant documents
- ad hoc retrieval
- keywords
- relevance assessments
- original query
- federated search
- question answering
- expert search
- result set
- ranked list
- web search
- database systems
- search engine