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Over the years, access control systems have become increasingly more complex, often causing a disconnect between what is envisaged by the stakeholders in decision-making positions and the actual permissions granted as evidenced from access…

Cryptography and Security · Computer Science 2026-03-17 Gautam Kumar , Ravi Sundaram , Shamik Sural

Attribute-based Access Control (ABAC) extends traditional Access Control by considering an access request as a set of pairs attribute name-value, making it particularly useful in the context of open and distributed systems, where security…

Cryptography and Security · Computer Science 2013-06-21 Andreas Griesmayer , Charles Morisset

Attribute-Based Access Control (ABAC) enables highly expressive and flexible access decisions by considering a wide range of contextual attributes. ABAC policies use logical expressions that combine these attributes, allowing for precise…

Cryptography and Security · Computer Science 2025-05-06 Thang Bui , Elliot Shabram , Anthony Matricia

Attribute-based encryption (ABE) is a promising tool for implementing fine-grained access control.To solve the matters of security in single authority, access policy public, not traceable of malicious user,we proposed a scheme of…

Cryptography and Security · Computer Science 2020-09-11 Wei Zhang , Yi Wu , Zhishuog Zhang , Hu Xiong , Zhiguang Qin

Attribute-Based Access Control (ABAC) provides expressiveness and flexibility, making it a compelling model for enforcing fine-grained access control policies. To facilitate the transition to ABAC, extensive research has been conducted to…

Cryptography and Security · Computer Science 2025-05-14 Thang Bui , Anthony Matricia , Emily Contreras , Ryan Mauvais , Luis Medina , Israel Serrano

With the rapid advances in computing and information technologies, traditional access control models have become inadequate in terms of capturing fine-grained, and expressive security requirements of newly emerging applications. An…

Cryptography and Security · Computer Science 2021-02-02 Leila Karimi , Maryam Aldairi , James Joshi , Mai Abdelhakim

Recent recommender systems aim to provide not only accurate recommendations but also explanations that help users understand them better. However, most existing explainable recommendations only consider the importance of content in reviews,…

Information Retrieval · Computer Science 2024-08-06 Wenxin Zhao , Peng Zhang , Hansu Gu , Dongsheng Li , Tun Lu , Ning Gu

Attribute-based access control (ABAC) promises a powerful way of formalizing access policies in support of a wide range of access management scenarios. Efficient implementation of ABAC in its general form is still a challenge, especially…

Cryptography and Security · Computer Science 2019-09-24 Hadi Ahmadi , Derek Small

Many languages and algebras have been proposed in recent years for the specification of authorization policies. For some proposals, such as XACML, the main motivation is to address real-world requirements, typically by providing a complex…

Cryptography and Security · Computer Science 2011-11-28 Jason Crampton , Charles Morisset

Along with the classical problem of managing multiple identities, actions, devices, APIs etc. in different businesses, there has been an escalating need for having the capability of flexible attribute based access control~(ABAC) mechanisms.…

Cryptography and Security · Computer Science 2018-04-18 Baiyu Liu , Abhinav Palia , Shan-Ho Yang

Proliferation of systems that generate enormous amounts of data and operate in real time has led researchers to rethink the current organization of the cloud. Many proposed solutions consist of a number of small data centers in the vicinity…

Cryptography and Security · Computer Science 2024-10-29 Tamara Ranković , Miloš Simić , Milan Stojkov , Goran Sladić

Attribute-based access control (ABAC) provides a high level of flexibility that promotes security and information sharing. ABAC policy mining algorithms have potential to significantly reduce the cost of migration to ABAC, by partially…

Cryptography and Security · Computer Science 2014-08-08 Zhongyuan Xu , Scott D. Stoller

Attribute-Based Access Control (ABAC) and Relationship-based access control (ReBAC) provide a high level of expressiveness and flexibility that promote security and information sharing, by allowing policies to be expressed in terms of…

Cryptography and Security · Computer Science 2020-11-24 Thang Bui , Scott D. Stoller

Access control policies are used to restrict access to sensitive records for authorized users only. One approach for specifying policies is using role based access control (RBAC) where authorization is given to roles instead of users. Users…

Cryptography and Security · Computer Science 2015-03-27 Khair Eddin Sabri

The autonomy and contextual complexity of LLM-based agents render traditional access control (AC) mechanisms insufficient. Static, rule-based systems designed for predictable environments are fundamentally ill-equipped to manage the dynamic…

Multiagent Systems · Computer Science 2025-10-21 Xinfeng Li , Dong Huang , Jie Li , Hongyi Cai , Zhenhong Zhou , Wei Dong , XiaoFeng Wang , Yang Liu

As robots and digital assistants are deployed in the real world, these agents must be able to communicate their decision-making criteria to build trust, improve human-robot teaming, and enable collaboration. While the field of explainable…

Human-Computer Interaction · Computer Science 2025-04-22 Andrew Silva , Pradyumna Tambwekar , Mariah Schrum , Matthew Gombolay

Recent advances have shown how decision trees are apt data structures for concisely representing strategies (or controllers) satisfying various objectives. Moreover, they also make the strategy more explainable. The recent tool dtControl…

Artificial Intelligence · Computer Science 2021-05-05 Pranav Ashok , Mathias Jackermeier , Jan Křetínský , Christoph Weinhuber , Maximilian Weininger , Mayank Yadav

Recently, decision trees (DT) have been used as an explainable representation of controllers (a.k.a. strategies, policies, schedulers). Although they are often very efficient and produce small and understandable controllers for discrete…

Machine Learning · Computer Science 2022-08-30 Florian Jüngermann , Jan Křetínský , Maximilian Weininger

When used in high-stakes settings, AI systems are expected to produce decisions that are transparent, interpretable and auditable, a requirement increasingly expected by regulations. Decision trees such as CART provide clear and verifiable…

Machine Learning · Computer Science 2026-04-07 Vincent Grari , Tim Arni , Thibault Laugel , Sylvain Lamprier , James Zou , Marcin Detyniecki

Deep reinforcement learning (DRL) has achieved remarkable success in various research domains. However, its reliance on neural networks results in a lack of transparency, which limits its practical applications. To achieve explainability,…

Machine Learning · Computer Science 2026-05-25 Yongyan Wen , Siyuan Li , Rongchang Zuo , Lei Yuan , Hangyu Mao , Peng Liu
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