Martin Kronenburg

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This paper presents a new way to use planning in automated theorem proving by means of distribution. To overcome the problem that often subtasks for a proof problem can not be detected a priori (which prevents the use of the known planning and distribution techniques) we use a team of experts that work independently with diierent heuristics on the problem.(More)
This document contains a range of needs and requirements concerning the construction of a light control system for a floor of a university building. A description of the building architecture and of some pre-installed (light-)hardware is included. This problem description was the common input for all participants of the requirements engineering case study "(More)
A generic approach to the formal specification of system requirements is presented. It is based on a pool of requirement patterns, which are related to design patterns well-known in object-oriented software development. The application of such patterns enhances the reusability and gene-ricity as well as the intelligibility of the formal requirement(More)
Based on the reference model for requirements and specifications of Jackson, Zave, et al. a reference model for problem specifications of reactive systems is defined. Considering the requirements specification technique FOREST, it is shown that both reference models can be instantiated using a real–time temporal logic and that they are compatible with(More)
A large set of criteria to evaluate formal methods for reactive systems is presented. To make this set more comprehensible, it is structured according to a Concept-Model of formal methods. It is made clear that it is necessary to make the catalogue more speciic before applying it. Some of the steps needed to do so are explained. As an example the catalogue(More)
A tailored real time temporal logic for specifying requirements of building automation systems is introduced and analyzed. The logic features several new real time operators, which are chosen with regard to the application area. The new operators improve the conciseness and readability of requirements as compared to a general{purpose real time temporal(More)