TREC-2 Document Retrieval Experiments using PIRCS.
K. L. KwokLaszlo GrunfeldPublished in: TREC (1993)
Keyphrases
- document retrieval
- pseudo relevance feedback
- information retrieval
- expert search
- test collection
- relevance feedback
- document collections
- relevant documents
- language model
- question answering systems
- retrieval effectiveness
- retrieval model
- text retrieval
- document ranking
- ranking functions
- document level
- spreading activation
- question answering
- cross language
- document indexing
- retrieved documents
- query terms
- xml retrieval
- ad hoc retrieval
- text mining
- retrieval strategies
- passage retrieval
- query independent
- information access
- search tasks
- average precision
- co occurrence
- probabilistic model