Query Performance Prediction for Information Retrieval Based on Covering Topic Score.
Hao LangBin WangGareth J. F. JonesJin-Tao LiFan DingYi-Xuan LiuPublished in: J. Comput. Sci. Technol. (2008)
Keyphrases
- query performance prediction
- information retrieval
- retrieval effectiveness
- query difficulty
- information retrieval systems
- query suggestion
- relevance judgments
- information extraction
- retrieval model
- search engine
- query expansion
- test collection
- document retrieval
- learning to rank
- machine learning
- vector space model
- web search engines
- web documents
- language model
- text mining
- pairwise
- keywords