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Organizational cybersecurity policies are often examined to determine whether they adequately comply standard security controls. This task is difficult because control statements are abstract, whereas policy documents describe governance…

Cryptography and Security · Computer Science 2026-05-11 Bikash Saha , Sandeep Kumar Shukla

Contracts are complex documents featuring detailed formal structures, explicit and implicit dependencies and rich semantic content. Given these document properties, contract drafting and manual examination of contracts have proven to be…

Artificial Intelligence · Computer Science 2025-11-11 Moriya Dechtiar , Daniel Martin Katz , Mari Sundaresan , Sylvain Jaume , Hongming Wang

The ability to enforce robust and dynamic access controls on cloud-hosted data while simultaneously ensuring confidentiality with respect to the cloud itself is a clear goal for many users and organizations. To this end, there has been much…

Cryptography and Security · Computer Science 2016-04-28 William C. Garrison , Adam Shull , Steven Myers , Adam J. Lee

Applying reinforcement learning to autonomous driving entails particular challenges, primarily due to dynamically changing traffic flows. To address such challenges, it is necessary to quickly determine response strategies to the changing…

Robotics · Computer Science 2022-12-12 Se-Wook Yoo , Chan Kim , Jin-Woo Choi , Seong-Woo Kim , Seung-Woo Seo

We extend the powerful Pullback-Pushout (PBPO) approach for graph rewriting with strong matching. Our approach, called \pbpostrong, exerts more control over the embedding of the pattern in the host graph, which is important for a large…

Logic in Computer Science · Computer Science 2021-06-28 Roy Overbeek , Jörg Endrullis , Aloïs Rosset

Among access control models, Role Based Access Control (RBAC) is very useful and is used in many computer systems. Static Combination of Duty (SCD) and Dynamic Combination of Duty (DCD) constraints have been introduced recently for this…

Cryptography and Security · Computer Science 2010-01-14 Ali Hosseini , Mohammad Abdollahi Azgomi

Authorization and access control play an essential role in protecting sensitive information from malicious users. The system is based on security policies to determine if an access request is allowed. However, of late, the growing…

Cryptography and Security · Computer Science 2020-05-15 Tran Khanh Dang , Xuan Son Ha , Luong Khiem Tran

In the field of access control, delegation is an important aspect that is considered as a part of the administration mechanism. Thus, a complete access control must provide a flexible administration model to manage delegation.…

Cryptography and Security · Computer Science 2010-12-14 Meriam Ben Ghorbel-Talbi , Frederic Cuppens , Nora Cuppens-Boulahia , Adel Bouhoula

In the digital age, data frequently crosses organizational and jurisdictional boundaries, making effective governance essential. Usage control policies have emerged as a key paradigm for regulating data usage, safeguarding privacy,…

Cryptography and Security · Computer Science 2025-10-07 Ines Akaichi , Giorgos Flouris , Irini Fundulaki , Sabrina Kirrane

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

Graphical user interface (GUI) agents powered by vision language models (VLMs) are rapidly moving from passive assistance to autonomous operation. However, this unrestricted action space exposes users to severe and irreversible financial,…

Machine Learning · Computer Science 2026-04-13 Yushi Feng , Junye Du , Qifan Wang , Zizhan Ma , Qian Niu , Yutaka Matsuo , Long Feng , Lequan Yu

Growing privacy regulations and internal governance mandates are driving demand for fine-grained, context-sensitive access control in data management systems. Among competing approaches, content-based access control -- where access…

Databases · Computer Science 2026-04-20 Ahana Pradhan , Srinivas Karthik , Imtiyazuddin Shaik , Srinivas Vivek

A policy-governed RAG architecture is specified for audit-ready generation in regulated workflows, organized as a triptych: (I) Contracts/Control (SHRDLU-like), which governs output adherence to legal and internal policies; (II)…

Cryptography and Security · Computer Science 2025-10-24 Jean-Marie Le Ray

This paper describes an architecture for robots that combines the complementary strengths of probabilistic graphical models and declarative programming to represent and reason with logic-based and probabilistic descriptions of uncertainty…

Robotics · Computer Science 2018-09-24 Mohan Sridharan , Michael Gelfond , Shiqi Zhang , Jeremy Wyatt

We consider safety-critical multi-agent systems with distributed control architectures and potentially varying network topologies. While learning-based distributed control enables scalability and high performance, a lack of formal safety…

Systems and Control · Electrical Eng. & Systems 2026-04-01 Jonas Ohnemus , Alexandre Didier , Ahmed Aboudonia , Andrea Carron , Melanie N. Zeilinger

We identify a fundamental problem in policy gradient-based methods in continuous control. As policy gradient methods require the agent's underlying probability distribution, they limit policy representation to parametric distribution…

Machine Learning · Computer Science 2019-11-26 Chen Tessler , Guy Tennenholtz , Shie Mannor

Visual dialog is a challenging task that requires the comprehension of the semantic dependencies among implicit visual and textual contexts. This task can refer to the relation inference in a graphical model with sparse contexts and unknown…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Dan Guo , Hui Wang , Hanwang Zhang , Zheng-Jun Zha , Meng Wang

Access control management is an integral part of maintaining the security of an application. Although there has been significant work in the field of cloud access control mechanisms, however, with the advent of Distributed Ledger Technology…

Cryptography and Security · Computer Science 2020-10-09 Arnab Chatterjee , Yash Pitroda , Manojkumar Parmar

The introduction of highly automated vehicles on the public road may improve safety and comfort, although its success will depend on social acceptance. This requires trajectory planning methods that provide safe, proactive, and comfortable…

Optimization and Control · Mathematics 2023-03-09 Chris van der Ploeg , Michiel Braat , Beatrice Masini , Jochem Brouwer , Jan-Pieter Paardekooper

Efficient medium access control (MAC) is critical for enabling low-latency and reliable communication in industrial Machine-to-Machine (M2M) net-works, where timely data delivery is essential for seamless operation. The presence of…

Signal Processing · Electrical Eng. & Systems 2025-10-24 Anwar Ahmed Khan , Indrakshi Dey