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In this paper, for controlling information sharing in online social networks (OSNs) we present a community-centric access control mechanism called myCommunity. We develop heuristic ideas for efficiently computing myCommunities in OSNs and evaluate it using traces from actual OSNs. The experimental results indicate that myCommunity is a feasible idea and simple estimation strategies can be effective...
This paper proposes a trust involved management framework for supporting privacy preserving access control policies and mechanisms. The mechanism enforces access policy to data containing personally identifiable information. The key component of the framework is an access control model that provides full support for expressing highly complex privacy related policies, taking into account features like...
Online social networking sites are experiencing tremendous user growth with hundreds of millions of active users. As a result, there is a tremendous amount of user profile data online, e.g., name, birth date, etc. Protecting this data is a challenge. The task of access policy composition is a tedious and confusing effort for the average user having hundreds of friends. In this paper, we propose a...
Facebook access-control lists, called friend lists, are difficult to create manually. Previous work on automating these lists has used friend details entered by the user. Our approach automates them by merging virtual friend cliques using certain heuristics that determine if two virtual friend cliques correspond to a single actual friend clique. A small user study found that our lists were more likely...
The home networking becomes more interesting if users can share high quality contents with friends and colleagues living away from the user. DLNA certified devices allow users to share or access digital media contents on the same home network. However, the sharing of the content is only limited inside local area networks. In this paper, we propose a global content sharing home gateway named DAS (DLNA...
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