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Abstract
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Article Information:
Hybrid Recommender System for Joining Virtual Communities
Leila Esmaeili, Behrouz Minaei-Bidgoli, Hamid Alinejad-Rokny and Mahdi Nasiri
Corresponding Author: Hamid Alinejad-Rokny
Submitted: 2011 December, 06
Accepted: 2011 January, 10
Published: 2012 February, 01 |
Abstract:
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The variety of social networks and virtual communities has created problematic for users of different
ages and preferences; in addition, since the true nature of groups is not clearly outlined, users are uncertain
about joining various virtual groups and usually face the trouble of joining the undesired ones. As a solution,
in this study, we introduced the hybrid community recommender system which offers customized
recommendations based on user preferences. Although techniques such as content based filtering and
collaborative filtering methods are available, these techniques are not enough efficient and in some cases make
problems and bring limitations to users. Our method is based on a combination of content based filtering and
collaborative filtering methods. It is created by selecting related features of users based on supervised entropy
as well as using association rules and classification method. Supposing users in each community or group share
similar characteristics, by hierarchical clustering, heterogeneous members are identified and removed. Unlike
other methods, this is also applicable for users who have just joined the social network where they do not have
any connections or group memberships. In such situations, this method could still offer recommendations.
Key words: Collaborative filtering, content based filtering, entropy, recommender system, social network, ,
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Cite this Reference:
Leila Esmaeili, Behrouz Minaei-Bidgoli, Hamid Alinejad-Rokny and Mahdi Nasiri, . Hybrid Recommender System for Joining Virtual Communities. Research Journal of Applied Sciences, Engineering and Technology, (05): 500-509.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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