Keyphrases
- test collection
- information retrieval
- retrieval effectiveness
- relevant documents
- retrieval model
- information retrieval evaluation
- average precision
- language model
- document collections
- evaluation methodology
- relevance judgements
- retrieval systems
- relevance assessments
- relevance judgments
- chinese web
- evaluation of information retrieval systems
- patent retrieval
- evaluation campaigns
- information retrieval systems
- ad hoc retrieval
- xml retrieval
- learning to rank