A trust-aware recommender algorithm based on users overlapping community structure

Moradi, P, Rezaimehr, F, Ahmadian, S and Jalili, M 2016, 'A trust-aware recommender algorithm based on users overlapping community structure', in Proceedings of the 16th International Conference on Advances in ICT for Emerging Regions (ICTer 2016), Colombo, Sri Lanka, 1-3 September 2016, pp. 162-167.


Document type: Conference Paper
Collection: Conference Papers

Title A trust-aware recommender algorithm based on users overlapping community structure
Author(s) Moradi, P
Rezaimehr, F
Ahmadian, S
Jalili, M
Year 2016
Conference name ICTer 2016
Conference location Colombo, Sri Lanka
Conference dates 1-3 September 2016
Proceedings title Proceedings of the 16th International Conference on Advances in ICT for Emerging Regions (ICTer 2016)
Publisher IEEE
Place of publication United States
Start page 162
End page 167
Total pages 6
Abstract Retrieving items in online e-commerce systems with abundance of products is time consuming for users. To deal with this issue, recommender systems (RS) aims to help users by suggesting their interested items in the presence of thousands of products. Generally, RS algorithms are constructed based on similarity between users and/or items (e.g., a user is likely to purchase the same items as his/her most similar users). In this paper, we introduce a novel time-aware recommendation algorithm that is based on overlapping community structure between users. Users' interests might change over time, and thus accurate modelling of dynamic users' tastes is a challenging issue in designing efficient recommendation systems. The users-items interaction network is often highly sparse in real systems, for which many recommenders fail to provide accurate predictions. We apply the proposed algorithm on a benchmark dataset. Our proposed recommendation algorithm overcomes these challenges and show better precision as compared to the state-of-the-art recommenders.
Subjects Dynamical Systems in Applications
Information Systems Management
Artificial Intelligence and Image Processing not elsewhere classified
Keyword(s) Recommender algorithms
social networks
network science
trust
overlapping community structure
reliability
DOI - identifier 10.1109/ICTER.2016.7829914
Copyright notice © 2016 IEEE
ISBN 9781509060788
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