Keyphrases
- test collection
- evaluation metrics
- patent retrieval
- web retrieval
- cross language information retrieval
- cross lingual information retrieval
- trec web
- document collections
- average precision
- ir evaluation
- data sets
- evaluation framework
- language model
- image processing
- graded relevance
- search tasks
- relevance assessments
- precision and recall
- retrieval model
- english chinese
- information retrieval