Keyphrases
- test collection
- web retrieval
- evaluation metrics
- patent retrieval
- cross language information retrieval
- ir evaluation
- retrieval effectiveness
- trec web
- retrieval model
- artificial intelligence
- information retrieval
- relevant documents
- document collections
- data structure
- cross lingual information retrieval
- english chinese
- language model
- average precision
- query translation
- prior art
- neural network
- graded relevance
- database