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A random walk method for alleviating the sparsity problem in collaborative filtering.

Hilmi YildirimMukkai S. Krishnamoorthy
Published in: RecSys (2008)
Keyphrases
  • random walk
  • collaborative filtering
  • markov chain
  • clustering method
  • similarity measure
  • social networks
  • similarity metric
  • flow graph
  • transition probability matrix