Latent semantic indexing (LSI) fails for TREC collections.
Avinash AtreyaCharles ElkanPublished in: SIGKDD Explor. (2010)
Keyphrases
- latent semantic indexing
- trec collections
- vector space model
- information retrieval
- retrieval model
- vector space
- text retrieval
- term weighting
- document representation
- tf idf
- language modeling
- document collections
- test collection
- retrieval effectiveness
- language model
- relevance model
- average precision
- semantic information
- web documents
- semantic similarity
- pseudo relevance feedback
- document clustering
- evaluation measures
- document retrieval
- singular value decomposition
- query expansion
- relevant documents
- text categorization
- search engine