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- research-articleDecember 2024
Novel generalized policy iteration for efficient evolving control of nonlinear systems
AbstractIn this article, we construct a novel generalized policy iteration framework to address optimal regulation problems for discrete-time nonlinear systems in a more efficient way. Relevant properties are investigated for the framework, including ...
- research-articleOctober 2024
Information Diffusion Prediction with Graph Neural Ordinary Differential Equation Network
MM '24: Proceedings of the 32nd ACM International Conference on MultimediaPages 9699–9708https://doi.org/10.1145/3664647.3681363Information diffusion prediction aims to forecast the path of information spreading in social networks by exploiting user correlations or preferences. Recent works focus on characterizing the dynamic of user preferences and propose to capture users' ...
- research-articleOctober 2024
A survey of large language models for cyber threat detection
AbstractWith the increasing complexity of cyber threats and the expanding scope of cyberspace, there exist progressively more challenges in cyber threat detection. It is proven that most previous threat detection models may become inadequate due to the ...
Highlights- Comprehensive review of LLMs for cyber threat detection stage.
- Explore four suitable cyber threat detection scenarios for LLMs.
- Explore different roles of LLMs in common cyber threat detection tasks.
- Discussion of extra ...
- research-articleSeptember 2024
Prob-Hashcat: Accelerating Probabilistic Password Guessing with Hashcat by Hundreds of Times
RAID '24: Proceedings of the 27th International Symposium on Research in Attacks, Intrusions and DefensesPages 674–692https://doi.org/10.1145/3678890.3678919While the academic community has proposed dozens of probabilistic password guessing models to improve the success rate of password guessing, few studies have considered the speed of generating password guesses (which is a crucial factor in realistic ...
- research-articleSeptember 2024
Learning to Compare Hardware Designs for High-Level Synthesis
- Yunsheng Bai,
- Atefeh Sohrabizadeh,
- Zijian Ding,
- Rongjian Liang,
- Weikai Li,
- Ding Wang,
- Haoxing Ren,
- Yizhou Sun,
- Jason Cong
MLCAD '24: Proceedings of the 2024 ACM/IEEE International Symposium on Machine Learning for CADArticle No.: 2, Pages 1–7https://doi.org/10.1145/3670474.3685940High-level synthesis (HLS) is an automated design process that transforms high-level code into optimized hardware designs, enabling rapid development of efficient hardware accelerators for various applications such as image processing, machine learning, ...
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- research-articleSeptember 2024
Advanced optimal tracking integrating a neural critic technique for asymmetric constrained zero-sum games
AbstractThis paper investigates the optimal tracking issue for continuous-time (CT) nonlinear asymmetric constrained zero-sum games (ZSGs) by exploiting the neural critic technique. Initially, an improved algorithm is constructed to tackle the tracking ...
- research-articleAugust 2024
Pixel+ and Pixel++: compact and efficient forward-secure multi-signatures for PoS blockchain consensus
SEC '24: Proceedings of the 33rd USENIX Conference on Security SymposiumArticle No.: 349, Pages 6237–6254Multi-signature schemes have attracted considerable attention in recent years due to their popular applications in PoS blockchains. However, the use of general multi-signature schemes poses a critical threat to the security of PoS blockchains once ...
- research-articleAugust 2024
POINTERGUESS: targeted password guessing model using pointer mechanism
SEC '24: Proceedings of the 33rd USENIX Conference on Security SymposiumArticle No.: 311, Pages 5555–5572Most existing targeted password guessing models view users' reuse behaviors as sequences of edit operations (e.g., insert and delete) performed on old passwords. These atomic edit operations are limited to modifying one character at a time and cannot ...
- research-articleAugust 2024
Evolution-guided value iteration for optimal tracking control
AbstractIn this article, an evolution-guided value iteration (EGVI) algorithm is established to address optimal tracking problems for nonlinear nonaffine systems. Conventional adaptive dynamic programming algorithms rely on gradient information to ...
- research-articleAugust 2024
Neural critic learning with accelerated value iteration for nonlinear model predictive control
AbstractIn practical industrial processes, the receding optimization solution of nonlinear model predictive control (NMPC) is always a very knotty problem. Based on adaptive dynamic programming, the accelerated value iteration predictive control (AVI-PC) ...
- research-articleAugust 2024
Supplementary heuristic dynamic programming for wastewater treatment process control
Expert Systems with Applications: An International Journal (EXWA), Volume 247, Issue Chttps://doi.org/10.1016/j.eswa.2024.123280AbstractWith the rapid development of industry, the amount of wastewater discharge is increasing. In order to improve the efficiency of the wastewater treatment process (WWTP), we often desire that the dissolved oxygen (DO) concentration and the nitrate ...
Highlights- A SUP-HDP control algorithm is developed for the WWTP.
- This algorithm combines the advantages of PID algorithm and HDP algorithm.
- We give the proof of convergence and the implementation process of the algorithm.
- The SUP-HDP ...
- research-articleJuly 2024
Deep Hashing Based Cancelable Multi-Biometric Template Protection
IEEE Transactions on Dependable and Secure Computing (TDSC), Volume 21, Issue 4Pages 3751–3767https://doi.org/10.1109/TDSC.2023.3335961The increasing use of multi-biometric authentication has raised concerns about the security of biometric templates. Many template protection methods based on convolutional neural network have been presented, but most involve a trade-off between ...
- research-articleJuly 2024
Neural Q-learning for discrete-time nonlinear zero-sum games with adjustable convergence rate
AbstractIn this paper, an adjustable Q-learning scheme is developed to solve the discrete-time nonlinear zero-sum game problem, which can accelerate the convergence rate of the iterative Q-function sequence. First, the monotonicity and convergence of the ...
- research-articleJuly 2024
Adaptive critic design with weight allocation for intelligent learning control of wastewater treatment plants
Engineering Applications of Artificial Intelligence (EAAI), Volume 133, Issue PChttps://doi.org/10.1016/j.engappai.2024.108284AbstractWith the deepening of modernization and industrialization, the issues of water pollution and scarcity have become more pressing. To address these issues, many wastewater treatment factories have been built to improve the reuse of water resources. ...
- research-articleJuly 2024
Multilayer adaptive critic design with digital twin for data-driven optimal tracking control and industrial applications
Engineering Applications of Artificial Intelligence (EAAI), Volume 133, Issue PBhttps://doi.org/10.1016/j.engappai.2024.108228AbstractIn this paper, an optimal trajectory tracking control problem for general nonlinear systems is investigated. An adaptive critic control method with the digital twin (DT) theory is developed. Divergent from the existing tracking control methods, ...
- research-articleJuly 2024
Reinforcement learning control with n-step information for wastewater treatment systems
Engineering Applications of Artificial Intelligence (EAAI), Volume 133, Issue PAhttps://doi.org/10.1016/j.engappai.2024.108033AbstractWastewater treatment is important for maintaining a balanced urban ecosystem. To ensure the success of wastewater treatment, the tracking error between the crucial variable concentrations and the set point needs to be minimized as much as ...
- research-articleJune 2024
Learning about Responsible AI On-The-Job: Learning Pathways, Orientations, and Aspirations
FAccT '24: Proceedings of the 2024 ACM Conference on Fairness, Accountability, and TransparencyPages 1544–1558https://doi.org/10.1145/3630106.3658988Prior work has developed responsible AI (RAI) toolkits and studied how AI practitioners use such resources when practicing RAI. However, AI practitioners may not have the relevant skills or knowledge to effectively use RAI resources—particularly as pre-...
- research-articleJune 2024
Adjustable iterative Q-learning for advanced neural tracking control with stability guarantee
AbstractIn this article, an accelerated Q-learning algorithm with evolving control is established to solve the optimal tracking control problem. First, an accelerated Q-learning scheme is constructed with an advanced Q-function. By utilizing the advanced ...
- research-articleMay 2024
A new Q‐function structure for model‐free adaptive optimal tracking control with asymmetric constrained inputs
International Journal of Adaptive Control and Signal Processing (ACSP), Volume 38, Issue 5Pages 1561–1578https://doi.org/10.1002/acs.3761SummaryThis article aims to design a model‐free adaptive tracking controller for discrete‐time nonlinear systems with unknown dynamics and asymmetric control constraints. First, a new Q‐function structure is designed by introducing the control input ...