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2010
Access control mechanisms are used to control which principals (such as users or processes) have access to which resources based on access control policies. To ensure the correctness of access control policies, policy authors conduct policy verification to check whether certain properties are satisfied by a policy. However, these properties are often not written in practice.
Proceedings of the 22nd ACM on Symposium on Access Control Models and Technologies
Mining Relationship-Based Access Control Policies2017 •
Computers & Security
Greedy and evolutionary algorithms for mining relationship-based access control policies2019 •
2018 •
Relationship-based access control (ReBAC) extends attribute-based access control (ABAC) to allow policies to be expressed in terms of chains of relationships between entities. ReBAC policy mining algorithms have potential to significantly reduce the cost of migration from legacy access control systems to ReBAC, by partially automating the development of a ReBAC policy. This paper presents algorithms for mining ReBAC policies from information about entitlements together with information about entities. It presents the first such algorithms designed to handle incomplete information about entitlements, typically obtained from operation logs, and noise (errors) in information about entitlements. We present two algorithms: a greedy search guided by heuristics, and an evolutionary algorithm. We demonstrate the effectiveness of the algorithms on several policies, including 3 large case studies.
2008 •
Abstract Access-control policy misconfigurations that cause requests to be erroneously denied can result in wasted time, user frustration and, in the context of particular applications (eg, health care), very severe consequences. In this paper we apply association rule mining to logs of granted requests to predict changes to access-control policies that are likely to be consistent with users' intentions, so that these changes can be instituted in advance of misconfigurations interfering with legitimate accesses.
2011 •
Abstract Access-control policy misconfigurations that cause requests to be erroneously denied can result in wasted time, user frustration, and, in the context of particular applications (eg, health care), very severe consequences. In this article we apply association rule mining to the history of accesses to predict changes to access-control policies that are likely to be consistent with users' intentions, so that these changes can be instituted in advance of misconfigurations interfering with legitimate accesses.
—ABAC is attribute based access control mechanism & it provides security & information sharing. Before ABAC policy there was RBAC i.e. Role based access control policy & Access control list policy which takes attribute as a data for consideration & development .Using ABAC policy mining algorithm is the first & using that we can reduce cost of migration to ABAC .This algorithm uses tuples for constructing candidate rules which is made up of Users ,Resources & Operations .Here we can Generalize rule to cover additional tuple from user permission relation .Here we are replacing conjuncts with constraints .Iterations are made on tuples in User permission relation .Merging & Simplification algorithms improves the policy .Here algorithms selects highest quality candidate rules for generated policy .Support Vector Machine(SVM) algorithm used to classify users ,resources based on attributes ,It uses Highest quality rules & policies for the classification of Users & Resources. Index Terms—Attribute-based access control policy mining ,Support Vector Machine Learning.
Proceedings of the 24th ACM Symposium on Access Control Models and Technologies
Efficient and Extensible Policy Mining for Relationship-Based Access ControlÉ um perfeito livro didático escrito pelo jurista Carlos Henrique Bezerra
Dissertation written for Cambridge MPhil in Anglo-Saxon, Norse, and Celtic (2018): Recent work has helped to dispel prior conceptions of Bede as a sceptical and antagonistic reader of Isidore of Seville; this has left open questions about the precise nature of Bede’s reliance upon, creative use of, and attitude towards Isidore. The current paper examines, in detail, three main areas of borrowing: 1) in Bede’s scientific writings, 2) in his biblical commentaries, and 3) in his historical writings. It concludes by briefly examining further areas of dependence, in grammatical writings and poetic borrowings. It demonstrates that Bede’s familiarity with Isidore’s corpus was broader and deeper than has been previously reckoned—in fact, Bede had access to four treatises by Isidore not previously thought to have circulated in Anglo-Saxon England. Contrary to any theory indicating the Northumbrian’s scepticism or antagonism towards the Spanish bishop, Bede saw in Isidore an intellectual foundation upon which he would model much of his own work and intellectual identity.
Viet Nam- Political History of the two wars-Independence war (1858-1954) and Ideological war (1945-1975)
1975 -Một mẹo để tránh một cuộc đối đầu lớn và thảm khốc cuối cùng2022 •
De Roma a las provincias: las elites como instrumento de proyección de Roma. Juan Francisco Rodríguez Neila in honorem.
Tres inscripciones del teatro de Itálica.2014 •
Journal of Economics and Sustainable Development
Farmer’s Perception Towards Agricultural Technology. The Case of Improved Highland Maize Varieties Adoption in Selected Kebeles of Toke Kutaye District, West Showa Zone2019 •
Língua Portuguesa: saberes e práticas [recurso eletrônico] / 1.ed. [org.] Elisa Maria Pinheiro de Souza, José Roberto Alves da Silva, Waldinett Nascimento Torres Pena. – 1.ed. –
FORMAÇÃO INICIAL EM PEDAGOGIA: A AVALIAÇÃO DE EGRESSOS DA UNIVERSIDADE DO ESTADO DO PARÁ2022 •
2013 •
Indian Journal of Mental Health(IJMH)
Relationships and Loneliness – an exploratory study2018 •
Journal for Research in Arts and Sports Education
Visual Strategies in (Visual Arts) Education: A Critical Perspective on Reading and Making Images2024 •
Journal of Radiation Oncology
Current practices in the management of stage IB, grade 3 endometrial cancer in the United States2017 •
Journal of Medieval History
Gregory the Great, the Rule of Benedict and Roman liturgy: the evolution of a legend2011 •
M. Gruber et al. (eds.), The Shamir, the Letters, the Writing, and the Tablets (Mishnah Avot 5:6): Studies in the Bible and the Ancient Near East, Postbiblical Literature, Ancient Languages, and Ancient Cultures in Honor of Professor Shamir Yona
“Do Two Walk Together unless They Have Made an Appointment?”: The Interpretive Ramifications of Demarcating Biblical Prophetic Units2023 •