Document Retrieval Based on Subtopic Combination.
Masahiro WatanabeTakaharu OishiMasatoshi YoshikawaMinoru NakaiShunsuke UemuraPublished in: CODAS (1999)
Keyphrases
- document retrieval
- retrieved documents
- keyphrases
- language model
- document collections
- query independent
- information retrieval
- retrieval model
- cross language
- ranking functions
- text retrieval
- spreading activation
- document ranking
- pseudo relevance feedback
- relevant documents
- relevance feedback
- test collection
- document indexing
- evaluation metrics
- retrieval strategies
- xml elements
- xml retrieval
- learning to rank
- query expansion
- information retrieval systems
- document image retrieval