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http://dx.doi.org/10.6109/jkiice.2018.22.1.17

Design a Method Enhancing Recommendation Accuracy Using Trust Cluster from Large and Complex Information  

Noh, Giseop (Republic of Korea Air Academy)
Oh, Hayoung (Department of DASAN University Colleage, Ajou University)
Lee, Jaehoon (Department of Computer Science, Seoul National University)
Abstract
Recently, with the development of ICT technology and the rapid spread of smart devices, a huge amount of information is being generated. The recommendation system has helped the informant to judge the information from the information overload, and it has become a solution for the information provider to increase the profit of the company and the publicity effect of the company. Recommendation systems can be implemented in various approaches, but social information is presented as a way to improve performance. However, no research has been done to utilize trust cluster information among users in the recommendation system. In this paper, we propose a method to improve the performance of the recommendation system by using the influence between the intra-cluster objects and the information between the trustor-trustee in the cluster generated in the online review. Experiments using the proposed method and real data have confirmed that the prediction accuracy is improved than the existing methods.
Keywords
Recommender system; Online social relation; Social relation cluster; Social network analysis;
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