Improving Document Retrieval by Automatic Query Expansion Using Collaborative Learning of Term-Based Concepts.
Stefan KlinkArmin HustMarkus JunkerAndreas DengelPublished in: Document Analysis Systems (2002)
Keyphrases
- document retrieval
- automatic query expansion
- expansion terms
- pseudo relevance feedback
- collaborative learning
- text retrieval
- retrieved documents
- query terms
- query expansion
- relevance feedback
- information retrieval
- language model
- relevant documents
- document collections
- retrieval effectiveness
- relevance model
- retrieval model
- ranking functions
- cross language
- document ranking
- passage retrieval
- language modeling
- information retrieval systems
- original query
- learning to rank
- image retrieval
- query logs
- retrieval systems
- average precision
- term frequency
- information extraction
- digital libraries
- multimedia