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2. Guest editorial for the special section on SEFM 2020 and 2021.
- Author
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de Boer, Frank S. and Cerone, Antonio
- Subjects
- *
COMPUTER science , *SOFTWARE compatibility , *SOFTWARE verification , *STOCHASTIC learning models , *SOFTWARE engineering , *SOFTWARE frameworks - Abstract
This document is a guest editorial for the special section on SEFM 2020 and 2021 in the journal Software & Systems Modeling. The International Conference on Software Engineering and Formal Methods (SEFM) aims to bring together practitioners and researchers to advance the state of the art in formal methods and their application in the software industry. This special section includes selected papers from SEFM 2020 and 2021, which were held virtually during the COVID pandemic. Each article in this section has undergone rigorous peer review and has been revised and extended compared to its conference version. The selected papers cover topics such as embedded software portability and verification, nontermination inference, quantitative modeling and analysis of BDI agents, lazy model checking for recursive state machines, P-stable abstractions of hybrid systems, fairness and guarantees for extended bounded response LTL+P synthesis, counterexample classification, analyzing the impact of human errors on interactive service robotic scenarios, and active model learning of stochastic reactive systems. [Extracted from the article]
- Published
- 2024
- Full Text
- View/download PDF
3. Guest editorial to the special section on SEFM'22.
- Author
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Schlingloff, Bernd-Holger and Chai, Ming
- Subjects
- *
ARTIFICIAL intelligence , *RECURRENT neural networks , *SOFTWARE engineering , *COMPUTER science , *SOFTWARE verification , *ENGINEERING models - Abstract
This document is a guest editorial for a special section in the journal "Software & Systems Modeling." The special section features revised and extended versions of selected papers from the 20th International Conference on Software Engineering and Formal Methods (SEFM'22), which was held in Berlin, Germany in September 2022. The SEFM conference series aims to advance the state of the art in formal methods and their integration into practical software engineering methods and tools. The special section includes papers on topics such as user-centric analysis, automated generation of finite automata, formal specifications of smart contracts, distributed verification of programs, and abstraction-based verification of neural networks. The authors express their gratitude to the authors and reviewers for their contributions and thank Springer for their support in publishing the special section. [Extracted from the article]
- Published
- 2024
- Full Text
- View/download PDF
4. Models: the fourth dimension of computer science: Towards studies of models and modelling.
- Author
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Thalheim, Bernhard
- Subjects
COMPUTER science ,SCIENTIFIC apparatus & instruments ,COMPUTER engineering ,COMPUTER simulation ,COMPUTER engineers ,HUMAN activity recognition - Abstract
Models are a universal instrument in science, technology, and daily life. They function as instruments in almost every scenario. Any human activity can be (and is) supported by models, e.g. reason, explain, design, act, predict, explore, communicate, collaborate, interact, orient, direct, guide, socialises, perceive, reflect, develop, making sense, teach, learn, imagine, etc. This universal suitability is also the basis for a wide use of models and modelling in Computer Science and Engineering. We claim that models form the fourth dimension in Computer Science. This paper sketches and systematises the main ingredients of the study model and modelling. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
5. Span(Graph): a canonical feedback algebra of open transition systems.
- Author
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Di Lavore, Elena, Gianola, Alessandro, Román, Mario, Sabadini, Nicoletta, and Sobociński, Paweł
- Subjects
ALGEBRA ,APPLICATION software ,COMPUTER science ,STRUCTURAL frames ,PSYCHOLOGICAL feedback - Abstract
We show that Span (Graph) ∗ , an algebra for open transition systems introduced by Katis, Sabadini and Walters, satisfies a universal property. By itself, this is a justification of the canonicity of this model of concurrency. However, the universal property is itself of interest, being a formal demonstration of the relationship between feedback and state. Indeed, feedback categories, also originally proposed by Katis, Sabadini and Walters, are a weakening of traced monoidal categories, with various applications in computer science. A state bootstrapping technique, which has appeared in several different contexts, yields free such categories. We show that Span (Graph) ∗ arises in this way, being the free feedback category over Span (Set) . Given that the latter can be seen as an algebra of predicates, the algebra of open transition systems thus arises—roughly speaking—as the result of bootstrapping state to that algebra. Finally, we generalize feedback categories endowing state spaces with extra structure: this extends the framework from mere transition systems to automata with initial and final states. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
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