# Learning One-Clock Timed Automata

@article{An2020LearningOT, title={Learning One-Clock Timed Automata}, author={Jie An and Mingshuai Chen and Bohua Zhan and Naijun Zhan and Miaomiao Zhang}, journal={Tools and Algorithms for the Construction and Analysis of Systems}, year={2020}, volume={12078}, pages={444 - 462} }

We present an algorithm for active learning of deterministic timed automata with a single clock. The algorithm is within the framework of Angluin’s \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$L^*$$\end{document} algorithm and inspired by existing work on the active learning of symbolic automata. Due to the need…

## 11 Citations

### Active Learning of One-Clock Timed Automata using Constraint Solving

- Computer ScienceArXiv
- 2022

This paper introduces a new algorithm for active learning of deterministic one-clock timed automata and timed Mealy machines that uses observation tables that do not commit to speciﬁc choices of reset, but instead rely on constraint solving to determine reset choices that satisfy readiness conditions.

### Active learning of timed automata with unobservable resets

- Computer ScienceFORMATS
- 2020

Central to the contribution is the notion of invalidity, and the algorithm and data structures to deal with it, allowing on-the-fly detection and pruning of reset hypotheses that contradict observations, a key to any efficient active-learning procedure for generic timed automata.

### Learning Nondeterministic Real-Time Automata

- Computer ScienceACM Trans. Embed. Comput. Syst.
- 2021

An active learning algorithm named NRTALearning for nondeterministic real-time automata (NRTAs) is presented and its correctness and polynomial complexity are proved, and it is proved that there exists a minimal RRTA to recognize any given real- time language.

### PAC Learning of Deterministic One-Clock Timed Automata

- Computer ScienceICFEM
- 2020

This work studied the problem of learning deterministic one-clock timed automata in the framework of PAC (probably approximately correct) learning, implemented a prototype for the learning algorithm, and conducted experiments using the TCP protocol as well as a number of randomly generated automata.

### The Learning Algorithm of Real-Time Automata

- Computer Science2020 IEEE 6th International Conference on Computer and Communications (ICCC)
- 2020

A new data structure is designed to store the information obtained by membership queries, which is a kind of tree structure, and improves the efficiency of the active learning for real-time RTA because this structure can process counter-examples effectively.

### Conservative Hybrid Automata from Development Artifacts

- Computer ScienceArXiv
- 2021

This paper devises an automatic construction algorithm that utilizes information contained in artifacts of the development process: a runtime monitoring specification and recorded test traces that provide sufficient information so that the construction process scales well for large systems.

### Formal Methods and Software Engineering: 22nd International Conference on Formal Engineering Methods, ICFEM 2020, Singapore, Singapore, March 1–3, 2021, Proceedings

- Computer ScienceICFEM
- 2020

The available ADTree constructs are extended with reactive patterns that cover further security scenarios, and all constructs with attributes such as time and cost to allow for quantitative analyses, and an extension of Asynchronous MultiAgents Systems: EAMAS is model.

### Learning Mealy Machines with One Timer

- Computer ScienceLATA
- 2021

It is shown how to obtain learning algorithms for MM1Ts via a reduction to the problem of learning Mealy machines, and an implementation of an MM1T learner on top of LearnLib is described and its performance is compared with recent algorithms proposed.

### MM1T Learner for the 4-Way Handshake Protocol

- Computer Science
- 2022

This research investigates a proposed solution, the use of Mealy Machines with 1 Timer (MM1Ts), and applies the MM1T model learner on the Wi-Fi 4-way handshake protocol, and concludes that theMM1T learner can be a potential solution for learning real-life applications such as network protocols.

### Inferring Switched Nonlinear Dynamical Systems

- Computer Science, MathematicsFormal Aspects Comput.
- 2021

This paper study the identification problem for switched dynamical systems with polynomial ODEs, which combines estimating coefficients for nonlinear dynamics and determining boundaries between modes, and proposes two different algorithms, depending on whether to perform prior segmentation of trajectories.

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