Towards healthcare data security in cloud computing

Abstract

The research work of role-based concurrent control is greatly emphasized in recent years. In order to study roles assignment in CSCL, role-based concurrent control model is introduced into CSCL. This paper proposes one kind of concurrent control model which is suitable for the whiteboard and other role-based CSCL applications combining with the application in CSCL whiteboard, and it produced Formalization description and related algorithm.