TB-CA: A hybrid method based on trust and context-aware for recommender system in social networks

Recommender systems help users faced with the problem of information overflow and provide personalized recommendations.Social networks are used for providing variety of business or social activities, or sometimes a combination of both.In this paper, by considering social network of users and according to users' context and items, a new method is introduced that is based on trust and context aware for recommender systems in social networks.The purpose of this paper is to create a recommender system which increases precision of predicted ratings for all users especially for cold start users.In the proposed method, walking on web of trust is done by neighbor users for finding rating of similar items and users' preference is gotten of items' context.The results show that suitable recommendation with user's context is provided by using this method.Also, this system can increase precision of predicted rating for all users and cold starts too and however, do not decrease the rating's coverage.

Abstract licence: CC BY

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