Keyphrases
- test collection
- patent retrieval
- web retrieval
- evaluation metrics
- cross language information retrieval
- ir evaluation
- trec web
- cross lingual information retrieval
- relevant documents
- evaluation framework
- english chinese
- document collections
- web search
- average precision
- search tasks
- pairwise
- graded relevance
- retrieval model
- relevance assessments
- decision trees
- information retrieval
- databases
- database