Completely-Arbitrary Passage Retrieval in Language Modeling Approach.
Seung-Hoon NaIn-Su KangYeha LeeJong-Hyeok LeePublished in: AIRS (2008)
Keyphrases
- language modeling
- passage retrieval
- language model
- retrieval model
- query expansion
- document retrieval
- relevance model
- sentence retrieval
- information retrieval
- n gram
- question answering
- document ranking
- test collection
- probabilistic model
- vector space
- information retrieval systems
- pseudo relevance feedback
- retrieval effectiveness
- vector space model
- retrieval systems
- text retrieval
- relevance feedback
- co occurrence
- retrieved documents
- web search
- relevant documents