Context data abstraction framework using RDF

Authors:
Yun-Sam Kim;Eun-Sun Cho;We-Duke Cho
Affiliations:
Chungnam National University, Daejeon, Republic of Korea;Chungnam National University, Daejeon, Republic of Korea;Ajou University, Suwon, Republic of Korea
Venue:
Proceedings of the 4th International Conference on Uniquitous Information Management and Communication
Year:
2010

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Abstract

Context data in context-aware ubiquitous systems usually have private information for customized services. Although access control systems may be used to prevent unpermitted subjects from accessing private data, it would also stop execution of useful customized services. To solve this problem, this paper suggests a method of abstracting context data which enables data owners to deliver less detailed information to data requesters. With a set of intelligent RDF schema, inference rule and negotiation document, it can avoid providing excessive data and can keep service continuity.