A semantic web based framework for social network access control
Proceedings of the 14th ACM symposium on Access control models and technologies
Proceedings of the first ACM conference on Data and application security and privacy
Multiparty authorization framework for data sharing in online social networks
DBSec'11 Proceedings of the 25th annual IFIP WG 11.3 conference on Data and applications security and privacy
Using ontology-based methods for implementing role-based access control in cooperative systems
Proceedings of the 27th Annual ACM Symposium on Applied Computing
Using community structure to control information sharing in online social networks
Computer Communications
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Web based social communities are one of the most widely used applications nowadays. Ubiquitous computing and access capabilities leverage the evolution of highly dynamic social communities. Recently, security and privacy concerns within these communities have increased significantly. This paper addresses these challenges by controlling access to community resources exploiting Semantic Web technologies. In this regard, a conceptual community framework and its access control mechanisms are formalised using the Web Ontology Language. Access to the resources is controlled by defining differential access rights based on the relationships between the individuals and the communities. Instead of an explicit definition, some additional facts of the mechanisms are inferred by executing Semantic Web rules using the Jess rule engine over the designed ontology. These information are then passed back into the ontology to enrich the existing ontology.