Keyphrases
- test collection
- pseudo relevance feedback
- trec collections
- retrieval effectiveness
- query expansion
- document level
- information retrieval
- document collections
- network architecture
- language model
- cross language information retrieval
- ad hoc retrieval
- relevant documents
- trec test collections
- neural network
- query translation
- document retrieval
- retrieval model
- question answering
- average precision
- relevance judgments
- web retrieval
- cross language
- retrieved documents
- retrieval systems
- information retrieval systems
- cross lingual information retrieval
- digital libraries
- multilingual information retrieval
- relevance feedback
- learning to rank
- relevance assessments
- probabilistic model
- short queries