IDRAAQ: New Arabic Question Answering System Based on Query Expansion and Passage Retrieval.
Lahsen AbouenourKarim BouzoubaaPaolo RossoPublished in: CLEF (Online Working Notes/Labs/Workshop) (2012)
Keyphrases
- passage retrieval
- query expansion
- question answering
- information retrieval
- information retrieval systems
- language model
- retrieval model
- pseudo relevance feedback
- natural language
- retrieval effectiveness
- text retrieval
- sentence retrieval
- language modeling
- relevant documents
- document retrieval
- relevance model
- document ranking
- relevance feedback
- ad hoc retrieval
- short queries
- natural language processing
- information extraction
- query terms