Keyphrases
- test collection
- suffix tree
- patent retrieval
- cross language information retrieval
- evaluation metrics
- trec web
- ir evaluation
- cross lingual information retrieval
- web retrieval
- data sets
- retrieval effectiveness
- information retrieval
- search tasks
- evaluation framework
- language model
- machine learning
- statistical significance
- database
- prior art
- e learning
- machine translation
- relevant documents
- retrieval systems
- clustering algorithm