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A constrained non-negative matrix factorization in information retrieva.

Baowen XuJianjiang LuGangshi Huang
Published in: IRI (2003)
Keyphrases
  • negative matrix factorization
  • search engine
  • information extraction
  • data sets
  • databases
  • principal component analysis
  • text classification
  • document clustering
  • nonnegative matrix factorization