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A core problem in formal methods is the transition from informal requirements to formal specifications. Especially when specifying reactive systems, many formalisms require the user to either understand a complex mathematical theory and notation or to derive details not given in the requirements, such as the state space of the problem. While formalizing a real-world requirements document, we developed...
In industrial applications, the number of final products endowed with real-time automatic control systems that manage safety-critical situations has dramatically increased. Thus, it is of growing importance that the control system design flow encompasses also its translation into software code and its embedding into a hardware and software network. In this paper, a tool-supported approach to the formal...
In this paper we argue that the modeling activity in the development of software-intensive systems should formalize as much as possible of the environment in which the application being developed operates. We also show that a rich formal model of the environment helps developers clearly state requirements that might typically be considered intrinsically informal (or non- formalizable in general)....
The paper "An Interval Logic for Real-Time System Specification" (Mattolini and Nesi, IEEE Trans. Software Eng., vol. 27, no. 3, pp. 208-227, Mar. 2001) presents the TILCO specification language and compares it to other existing similar languages. In this comment, we show that several of the logic formulas used for the comparison are flawed and/or overly complicated and we explain why, in...
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