Universally composable secure positioning in the bounded retrieval model.
Junwei ZhangJianfeng MaChao YangLi YangPublished in: Sci. China Inf. Sci. (2015)
Keyphrases
- retrieval model
- language modeling
- document retrieval
- language model
- test collection
- information retrieval systems
- retrieval effectiveness
- information retrieval
- vector space
- retrieval systems
- text retrieval
- vector space model
- statistical language models
- relevance feedback
- user queries
- retrieval framework
- tf idf
- sentence retrieval
- query expansion
- retrieval process
- data analysis
- improvements in retrieval effectiveness
- effective retrieval
- learning process
- relevant documents
- distance measure
- document collections
- data sets
- term dependencies
- n gram