A Movie Recommender System Based on Semi-supervised Clustering

  • Authors:
  • Christina Christakou;Leonidas Lefakis;Spyros Vrettos;Andreas Stafylopatis

  • Affiliations:
  • National Technical University of Athens, Greece;National Technical University of Athens, Greece;National Technical University of Athens, Greece;National Technical University of Athens, Greece

  • Venue:
  • CIMCA '05 Proceedings of the International Conference on Computational Intelligence for Modelling, Control and Automation and International Conference on Intelligent Agents, Web Technologies and Internet Commerce Vol-2 (CIMCA-IAWTIC'06) - Volume 02
  • Year:
  • 2005

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Abstract

Recommender systems provide a solution to the problem of successful information searching in the reservoirs of the Internet by providing individualized recommendations. Content-based filtering and collaborative filtering are usually applied to predict these recommendations. In this work a clustering approach based on semi-supervised learning is proposed. The method is then used to construct a recommender system for movies that combines contentbased and collaborative information. The proposed system was tested on the MovieLens data set, yielding recommendations of high accuracy.