Bidirectional trust calculation in online social networks

Online Social networks are the best way of communication among users residing at different parts of the world. Users can share their videos, photos, posts etc. among their friends in blink of an eye. But every good thing comes with few bad aspects as well. Trust between any two users has always been an issue in OSNs. In this paper a system has been proposed for calculating trust between a user and his friends on the basis of actions like messages, comments, shares, likes, etc. The proposed system categorizes friends as Unprivileged, Privileged and Most_Trusted. These lists denote the access level of the listed friends to the user's resources.