Bağlama-Dayalı Rol Tabanlı Yetkilendirmede Semantik Model Kullanarak Erişim Denetimi ve Yönetimi: Sağlık Alanı için Bir Durum Çalışması

Abstract

In today s, Information Technologies (IT) World security have become a very important and complicated problem. The possibility of unauthorized access to protected knowledge results in unexpected damages and outcomes. In this context, developing secure, flexible and easy to implement rules and policies have become of high priority among security researchers and engineers.Literature review on IT security shows that there have been research activities involving various access control models having certain superiorities based on different approaches. Among the proposed models, the most important one for secure access control operations is role-based access control model. In addition, different new approaches have been revealed on role based data processing and sharing mechanisms throughout distributed structures, the purpose being speeding up the processes of securely accessing to knowledge.At the beginning of 90 s, pervasive computing approach have been suggested.