An improved privacy-preserving DWT-based collaborative filtering scheme

  title={An improved privacy-preserving DWT-based collaborative filtering scheme},
  author={Alper Bilge and Huseyin Polat},
  journal={Expert Syst. Appl.},
Collaborative filtering (CF) is one of the most efficient techniques to produce personalized recommendations and to deal with the information overload of modern times. Although CF techniques have immensely useful filtering capabilities, many CF systems have challenging problems like scalability, accuracy, and privacy. One approach to enhance scalability of such systems is to apply discrete wavelet transformation (DWT) techniques. DWT-based CF schemes significantly overcome the scalability… CONTINUE READING
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