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Exploiting Image Content In Location-Based Shopping Recommender Systems For Mobile Users

Author

Listed:
  • O. O. OLUGBARA

    (Department of Information Technology, Durban University of Technology, Durban 4001, South Africa)

  • S. O. OJO

    (Faculty of Information and Communication Technology, Tshwane University of Technology, Pretoria 0001, South Africa)

  • M. I. MPHAHLELE

    (Department of Computer Networks, Tshwane University of Technology, Pretoria 0001, South Africa)

Abstract

This paper demonstrates how image content can be used to realize a location-based shopping recommender system for intuitively supporting mobile users in decision making. Generic Fourier Descriptors (GFD) image content of an item was extracted to exploit knowledge contained in item and user profile databases for learning to rank recommendations. Analytic Hierarchy Process (AHP) was used to automatically select a query item from a user profile. Single Criterion Decision Ranking (SCDR) and Multiple-Criteria Decision-Ranking (MCDR) techniques were compared to study the effect of multidimensional ratings of items on recommendations effectiveness. The SCDR and MCDR techniques are, respectively, based on Image Content Similarity Score (ICSS) and Relative Ratio (RR) aggregating function. Experimental results of a real user study showed that an MCDR system increases user satisfaction and improves recommendations effectiveness better than an SCDR system.

Suggested Citation

  • O. O. Olugbara & S. O. Ojo & M. I. Mphahlele, 2010. "Exploiting Image Content In Location-Based Shopping Recommender Systems For Mobile Users," International Journal of Information Technology & Decision Making (IJITDM), World Scientific Publishing Co. Pte. Ltd., vol. 9(05), pages 759-778.
    • Handle: RePEc:wsi:ijitdm:v:09:y:2010:i:05:n:s0219622010004019
    DOI: 10.1142/S0219622010004019
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