[PDF] Top 20 Access control in semantic information systems

... file systems, even if they support ...provide information about files such as where it was downloaded ...easy access via the shell prompt to metadata stored on the ...file systems (HPFS or ... See full document

... Attribute-based access control (ABAC), a relatively new authorization approach has gained an immense attention of ...to control un-authorized access to the data stored in a dynamic environment ... See full document

... such systems have failed in the ...of access and movement of information within the defense enterprise and the release of the information outside of the defense ... See full document

... middle attacks as data are transmitted. However, only 9.4% of cloud providers encrypt data once stored in the cloud, for file sharing convenience. This is a serious issue leaving the cloud vulnerable to data breaches and ... See full document

... application-independent access control, named ...centralized access control policy because of the complexity of trust ...contains information about its legal owner, including secret ... See full document

... The information available on the web is dispersed, poorly structured or invisible to the common user, making it difficult to access information of high quality and value to the ...they access ... See full document

... Previously, analysing security protocols used to go through two stages. Firstly, modelling the proto- col using a theoretical notation or language such as the CSP (G. Lowe, 2009). Secondly, verifying the protocol using a ... See full document

... the access control model based on role concept in extended version (ex- tended RABC) was ...of access control rules for any information ...early access control rules in ... See full document

... as information intensive domains where in online information places a crucial role for the whole lifecycle of the ...related information. Also, the recent development, the semantic Web [1] ... See full document

... of information about patients, such as HIV status, blood pressures, psychiatric care and so ...This information is meant to be confidential because the consequence of unauthorised disclosure of ... See full document

... fine-grained control within a single VM while performing corse-grained control on information flow between ...of control that are possible with both mono- lithic and layered MAC policies, and ... See full document

... Role is an important concept for organizational and security models and is extensively used in many kinds of software systems. This is also the case for workflow systems. Process instance-based user groups ... See full document

... However, access control mechanism in Nigeria’s health information systems do not sufficiently guarantee managed access, data and resource ...current access control ... See full document

... has access to individual- level information, whereas the same data is not accessible to the ...can access the data under the condition that (i) identifiers are removed and (ii) the number of ... See full document

... enterprise information systems are facilities designed to promote information sharing while maintaining control over the integrity and privacy of ...for access, and then partition the ... See full document

... ABAC overcome the user role assignment problem which exist in RBAC and focuses on the attributes of a user required to grant access. One of those attributes can improve the role a user has assigned inheriting from ... See full document

... an information system can be viewed from two aspects, internal security and external ...or systems would have the same external threats and ...integrated systems in particular business context such ... See full document

... To the best of our knowledge, the closest paper to our is [25]. This approach intends to integrate a subset of RBAC into a role-oriented system: DOOR. This model permits modelling an owner relationship between roles and ... See full document

... contextual information is also considered in this model to grant access to users by considering not only their personal informa- tion, but also additional attributes, ...the access request takes ... See full document

... artificial semantic language-intermediary for the realization of automatic cross-lingual intelligent information access to natural language (NL) texts on the ...the semantic formalism (more ... See full document