Passage Retrieval with Vector Space and Query-Level Aspect Models.
Raymond WanVo Ngoc AnhHiroshi MamitsukaPublished in: TREC (2007)
Keyphrases
- vector space
- retrieval model
- passage retrieval
- vector space model
- database
- feature vectors
- similarity search
- distance measure
- document retrieval
- latent semantic indexing
- probabilistic model
- question answering
- query expansion
- information retrieval
- text classification
- low dimensional
- text retrieval
- computer vision
- machine learning