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In view of the security issues of the Internet of Things (IoT), considered better combining edge computing and blockchain with the IoT, integrating attribute-based encryption (ABE) and attribute-based access control (ABAC) models with…

Cryptography and Security · Computer Science 2021-11-18 Jie Zhang , Lingyun Yuan , Shanshan Xu

Any secured system can be modeled as a capability-based access control system in which each user is given a set of secret keys of the resources he is granted access to. In some large systems with resource-constrained devices, such as sensor…

Cryptography and Security · Computer Science 2021-09-21 Aldar C-F. Chan

This paper addresses the problem of policy selection in domains with abundant logged data, but with a restricted interaction budget. Solving this problem would enable safe evaluation and deployment of offline reinforcement learning policies…

System logs constitute valuable information for analysis and diagnosis of system behavior. The size of parallel computing systems and the number of their components steadily increase. The volume of generated logs by the system is in…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-01-23 Siavash Ghiasvand , Florina M. Ciorba

Manually generating access control policies from an organization's high-level requirement specifications poses significant challenges. It requires laborious efforts to sift through multiple documents containing such specifications and…

Cryptography and Security · Computer Science 2024-09-16 Sakuna Harinda Jayasundara , Nalin Asanka Gamagedara Arachchilage , Giovanni Russello

Web Usage Mining is an application of Data Mining Techniques to discover interesting usage patterns from web data in order to understand and better serve the needs of web-based applications. The paper proposes an algorithm for finding these…

Artificial Intelligence · Computer Science 2018-05-01 Pritish Yuvraj , Suneetha K. R

The increasing integration of machine learning algorithms in daily life underscores the critical need for fairness and equity in their deployment. As these technologies play a pivotal role in decision-making, addressing biases across…

Computer Vision and Pattern Recognition · Computer Science 2024-05-17 Guanyu Hu , Eleni Papadopoulou , Dimitrios Kollias , Paraskevi Tzouveli , Jie Wei , Xinyu Yang

This paper presents a novel enumerative biclustering algorithm to directly mine all maximal biclusters in mixed-attribute datasets (containing both numerical and categorical attributes), with or without missing values. The proposal is an…

Databases · Computer Science 2017-10-11 Rosana Veroneze , Fernando J. Von Zuben

Attribute-based methods, such as attribute-based access control and attribute-based encryption, make decisions based on attributes possessed by a subject rather than the subject's identity. While this allows for anonymous authorization --…

Cryptography and Security · Computer Science 2023-10-10 Erin Lanus , Charles J. Colbourn , Gail-Joon Ahn

In recent years, many countries have started enacting laws to safeguard privacy of personal data of their citizens collected and maintained by various enterprises through websites, mobile apps, and other means. It is imperative that the…

Cryptography and Security · Computer Science 2026-04-14 Ajay Dhakar , Arunesh Sinha , Shamik Sural

With the integration of connected devices, artificial intelligence, and heterogeneous networks in IoT-driven cyber-physical systems, our society is evolving as a smart, automated, and connected community. In such dynamic and distributed…

Cryptography and Security · Computer Science 2023-08-04 Tanjila Mawla , Maanak Gupta , Safwa Ameer , Ravi Sandhu

We propose a process calculus, named AbC, to study the behavioural theory of interactions in collective-adaptive systems by relying on attribute-based communication. An AbC system consists of a set of parallel components each of which is…

Logic in Computer Science · Computer Science 2018-07-31 Yehia Abd Alrahman , Rocco De Nicola , Michele Loreti

Authoring access control policies is challenging and prone to misconfigurations. Access control policies must be conflict-free. Hence, administrators should identify discrepancies between policy specifications and their intended function to…

Cryptography and Security · Computer Science 2023-03-30 Antonios Gouglidis , Anna Kagia , Vincent C. Hu

Process discovery algorithms learn process models from executed activity sequences, describing concurrency, causality, and conflict. Concurrent activities require observing multiple permutations, increasing data requirements, especially for…

This paper proposes a computational model for policy administration. As an organization evolves, new users and resources are gradually placed under the mediation of the access control model. Each time such new entities are added, the policy…

Cryptography and Security · Computer Science 2024-01-02 Si Zhang , Philip W. L. Fong

In recent years, cloud storage technology has been widely used in many fields such as education, business, medical and more because of its convenience and low cost. With the widespread applications of cloud storage technology, data access…

Cryptography and Security · Computer Science 2018-11-09 Jingwei Liu , Huifang Tang , Chaoya Li , Rong Sun , Xiaojiang Du , Mohsen Guizani

Organizational decision-making is crucial for success, yet cognitive biases can significantly affect risk preferences, leading to suboptimal outcomes. Risk seeking preferences for losses, driven by biases such as loss aversion, pose…

Human-Computer Interaction · Computer Science 2024-05-24 Eduardo da C. Ramos , Maria Luiza M. Campos , Fernanda Baião

Attribute-based encryption is a form of encryption which offers the capacity to encrypt data such that it is only accessible to individuals holding a satisfactory configuration of attributes. As cloud and distributed computing become more…

Cryptography and Security · Computer Science 2017-05-18 Aubrey Alston

In the data mining field, association rules are discovered having domain knowledge specified as a minimum support threshold. The accuracy in setting up this threshold directly influences the number and the quality of association rules…

Databases · Computer Science 2013-08-13 Rakesh Duggirala , P. Narayana

Data mining is the practice to search large amount of data to discover data patterns. Data mining uses mathematical algorithms to group the data and evaluate the future events. Association rule is a research area in the field of knowledge…

Databases · Computer Science 2013-02-08 Jnanamurthy H. K.