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» UCLA-Okapi at TREC-2: Query Expansion Experiments
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SIGKDD
2010
146views more  SIGKDD 2010»
13 years 5 months ago
Latent semantic indexing (LSI) fails for TREC collections
The aim of latent semantic indexing (LSI) is to uncover the relationships between terms, hidden concepts, and documents. LSI uses the matrix factorization technique known as singu...
Avinash Atreya, Charles Elkan