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Update Frequency and Background Corpus Selection in Dynamic TF-IDF Models for First Story Detection.

Fei WangRobert J. RossJohn D. Kelleher
Published in: PACLING (2019)
Keyphrases
  • tf idf
  • weighting scheme
  • text categorization
  • language modelling
  • probabilistic model
  • information retrieval
  • learning algorithm
  • feature selection
  • metadata
  • query processing