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Role-Based Access Control (RBAC) is a popular authorization model used to manage data-access constraints in a wide range of systems. RBAC usually defines the static view on the access rights. However, to ensure dependability of a system, it…

Software Engineering · Computer Science 2018-05-16 Inna Vistbakka , Elena Troubitsyna

Basic role based access control [RBAC] provides a mechanism for segregating access privileges based upon a user's hierarchical roles within an organization. This model doesn't scale well when there is tight integration of multiple…

Cryptography and Security · Computer Science 2007-05-23 Jonathan K. Adams , Basheer N. Bristow

Role-based access control (RBAC) models have generated a great interest in the security community as a powerful and generalized approach to security management and ability to model organizational structure and their capability to reduce…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-12-03 Mamoon Rashid , Er. Rishma Chawla

Significant research has been done in the area of Role Based Access Control [RBAC]. Within this research there has been a thread of work focusing on adding parameters to the role and permissions within RBAC. The primary benefit of parameter…

Cryptography and Security · Computer Science 2021-01-12 Jonathan K. Adams

Role-Based Access Control (RBAC) struggles to adapt to dynamic enterprise environments with documents that contain information that cannot be disclosed to specific user groups. As these documents are used by LLM-driven systems (e.g., in…

Cryptography and Security · Computer Science 2025-12-24 Michele Lorenzo , Idilio Drago , Dario Salvadori , Fabio Romolo Vayr

Cloud Computing is a set of IT Services that are provided to a customer over a network and these services are delivered by third party provider who owns the infrastructure and reduce the burden at user's end. Nowadays researchers devoted…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-08-26 Gitanjali , Sukhjit Singh Sehra , Jaiteg Singh

Role mining tackles the problem of finding a role-based access control (RBAC) configuration, given an access-control matrix assigning users to access permissions as input. Most role mining approaches work by constructing a large set of…

Cryptography and Security · Computer Science 2013-01-08 Mario Frank , Joachim M. Buhmann , David Basin

Role-Based Access Control (RBAC) is a popular model which maps roles to access permissions for resources and then roles to the users to provide access control. Role-Based Encryption (RBE) is a cryptographic form of RBAC model that…

Cryptography and Security · Computer Science 2025-04-17 Nazatul Haque Sultan , Vijay Varadharajan , Lan Zhou , Ferdous Ahmed Barbhuiya

The problems which are important for the effective functioning of an access control policy in a large information system (LIS) are selected. The general concept of a local optimization of a role-based access control (RBAC) model is…

Cryptography and Security · Computer Science 2018-12-27 N. F. Bogachenko

Inspired by the access control models of social network systems, Relationship-Based Access Control (ReBAC) was recently proposed as a general-purpose access control paradigm for application domains in which authorization must take into…

Cryptography and Security · Computer Science 2015-03-23 Syed Zain Rizvi , Philip W. L. Fong , Jason Crampton , James Sellwood

In large databases, creating user interface for browsing or performing insertion, deletion or modification of data is very costly in terms of programming. In addition, each modification of an access control policy causes many potential and…

Cryptography and Security · Computer Science 2015-06-01 Kambiz Ghazinour , Mehdi Ghayoumi

Role Based Access Control (RBAC) is a very popular access control model, for long time investigated and widely deployed in the security architecture of different enterprises. To implement RBAC, roles have to be firstly identified within the…

Cryptography and Security · Computer Science 2015-03-20 Carlo Blundo , Stelvio Cimato

We describe an access control model that has been implemented in the web content management framework "Deme" (which rhymes with "team"). Access control in Deme is an example of what we call "bivalent relation object access control"(BROAC).…

Social and Information Networks · Computer Science 2013-02-13 Todd Davies , Mike D. Mintz

Workflows and role-based access control models need to be suitably merged, in order to allow users to perform processes in a correct way, according to the given data access policies and the temporal constraints. Given a mapping between…

Cryptography and Security · Computer Science 2016-01-12 Carlo Combi , Luca Viganó , Matteo Zavatteri

Administrative role-based access control (ARBAC) is the first comprehensive administrative model proposed for role-based access control (RBAC). ARBAC has several features for designing highly expressive policies, but current work has not…

Cryptography and Security · Computer Science 2011-10-14 Karthick Jayaraman , Vijay Ganesh , Mahesh Tripunitara , Martin C Rinard , Steve J. Chapin

A common trait of current access control approaches is the challenging need to engineer abstract and intuitive access control models. This entails designing access control information in the form of roles (RBAC), attributes (ABAC), or…

Cryptography and Security · Computer Science 2022-03-30 Mohammad Nur Nobi , Ram Krishnan , Yufei Huang , Mehrnoosh Shakarami , Ravi Sandhu

Cloud Computing is flourishing day by day and it will continue in developing phase until computers and internet era is in existence. While dealing with cloud computing, a number of security and traffic related issues are confronted. Load…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-03-11 Ruhi Gupta

Administrative Role Based Access Control (ARBAC) models specify how to manage user-role assignments (URA), permission-role assignments (PRA), and role-role assignments (RRA). Many approaches have been proposed in the literature for URA,…

Cryptography and Security · Computer Science 2018-12-27 Jiwan Ninglekhu , Ram Krishnan

Role-based access control (RBAC) policies represent the rights of subjects in terms of roles to access resources. This research proposes a scalable, flexible and auditable RBAC system using the EOS blockchain platform to meet the security…

Cryptography and Security · Computer Science 2020-07-07 Mohsin Ur Rahman

Role based Access control (RBAC) is the cornerstone of security for any modern organization. In this report, we defined a health-care access control structure based on RBAC. We used Alloy formal logic modeling tool to model and validate…

Cryptography and Security · Computer Science 2020-10-22 Ramesh Narasimman , Izzat Alsmadi
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