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IEICE TRANSACTIONS on Information

An Approach to Effective Recommendation Considering User Preference and Diversity Simultaneously

Sang-Chul LEE, Sang-Wook KIM, Sunju PARK, Dong-Kyu CHAE

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Summary :

This paper addresses recommendation diversification. Existing diversification methods have difficulty in dealing with the tradeoff between accuracy and diversity. We point out the root of the problem in diversification methods and propose a novel method that can avoid the problem. Our method aims to find an optimal solution of the objective function that is carefully designed to consider user preference and the diversity among recommended items simultaneously. In addition, we propose an item clustering and a greedy approximation to achieve efficiency in recommendation.

Publication
IEICE TRANSACTIONS on Information Vol.E101-D No.1 pp.244-248
Publication Date
2018/01/01
Publicized
2017/09/28
Online ISSN
1745-1361
DOI
10.1587/transinf.2017EDL8039
Type of Manuscript
LETTER
Category
Data Engineering, Web Information Systems

Authors

Sang-Chul LEE
  Hanyang University
Sang-Wook KIM
  Hanyang University
Sunju PARK
  Yonsei University
Dong-Kyu CHAE
  Hanyang University

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