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Web-based social networks (WBSNs) are today one of the hugest data source available on the Web and therefore data protection has become an urgent need. This has resulted in the proposals of some access control models for social networks. Quite all the models proposed so far enforce a relationship-based access control, where the granting of a resource depends on the relationships established in the...
In this paper, we present a collaborative social networking environment, referred to as quality social network (QSN), which enhances the social tagging paradigm by using it as a basis to evaluate the quality of Web resources, on the basis of the user preferences specified by each QSN member. Such features give end users the ability of being aware of the ??quality?? of the resources they are accessing,...
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