Content-based, collaborative recommendation

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Content-based, collaborative recommendation (1997)

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by Marko Balabanović , Yoav Shoham

Venue:	Communications of the ACM
Citations:	217 - 0 self

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@ARTICLE{Balabanović97content-based,collaborative,
    author = {Marko Balabanović and Yoav Shoham},
    title = {Content-based, collaborative recommendation},
    journal = {Communications of the ACM},
    year = {1997},
    volume = {40},
    pages = {66--72}
}

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Abstract

By combining both collaborative and content-based filtering systems, Fab may eliminate many of the weaknesses found in each approach. ONLINE READERS ARE IN NEED OF TOOLS TO HELP THEM COPE with the mass of content available on the World-Wide Web. In traditional media, readers are provided assistance in making selections. This includes both implicit assistance in the form of editorial oversight and explicit assistance in the form of recommendation services such as movie reviews and restaurant guides. The electronic medium offers new opportunities to create recommendation services, ones that adapt over time to track their evolving interests. Fab is such a recommendation system for the Web, and has been operational in several versions since December 1994. The problem of recommending items from some fixed database has been studied extensively, and two main paradigms have emerged. In content-based recommendation one tries to recommend items similar to those a given user has liked in the past, whereas in collaborative recommendation one identifies users whose tastes are similar to those of the given user and recommends items they have liked. Our approach in Fab has been to combine these two methods. Here, we explain how a hybrid system can incorporate the advantages of both methods while inheriting the disadvantages of neither. In addition to what one might call the “generic advantages ” inherent in any hybrid system, the particular design of the Fab architecture brings two additional benefits. First, two scaling problems common to all Web services are addressed—an increas-

Keyphrases

collaborative recommendation recommendation service hybrid system world-wide web fab architecture content-based filtering system evolving interest web service several version editorial oversight explicit assistance scaling problem particular design traditional medium movie review implicit assistance recommendation system main paradigm additional benefit content-based recommendation generic advantage electronic medium restaurant guide new opportunity fixed database

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