The RODIN project is an EU-funded project concerned with the provision of methods and tools for rigorous development of complex software-based systems. Ultimately, through the development of open-source tools and techniques, the project aims to make formal methods more appealing and accessible to industry. The project is driven by a number of case studies, each of which is designed to exercise ...

The component-based model of code execution imposes some requirements on the software components themselves, and at the same time lays some constraints on the modern run-time environment. Software components need to store descriptive metadata, and the run-time system must access this ‘reflectively’ in order to implement dynamic linking. Software components also undergo dynamic evolution whereby...

Re-creation of the extent of urban land use at different periods in time is valuable for examining how cities grow and how policy changes influence urban dynamics. To date, there has been little focus on the modeling of historical urban extent (other than for ancient cities). Instead, current modeling research has emphasized simulating the cities of the future. Predictive models can provide ins...

In this paper we investigate a component-based approach to combining formal techniques and prototyping for user interface construction in which a single speciication is used for constructing both implementations (prototypes) for experimentation and models for formal reasoning. Using a component-based approach not only allows us to construct realistic prototypes , but also allows us to generate ...

Recent advances in both the testing and verification of software based on formal specifications of the system to be built have reached a point where the ideas can be applied in a powerful way in the design of agent-based systems. The software engineering research has highlighted a number of important issues: the importance of the type of modeling technique used; the careful design of the model ...

The existing third-order tracker known as α-β-γ filter has been used for target tracking and predicting for years. The filter can track the targets position and velocity, but not the acceleration. To extend its capability, a new fourth-order target tracker called α-β-γ-δ filter is proposed. The main objective of this study was to find the optimal set of filter parameters that leads to minimum p...

We present here a proof-of-concept of a novel, efficient method for modeling of liquid/gas interface dynamics. Our approach consists in coupling the lattice Boltzmann gas (LBG) and the level set (LS) methods. The inherent parallel character of LBG accelerated by level sets is the principal advantage of our approach over similar particle based solvers. Consequently, this property allows for effi...

Component-based software engineering is concerned with predictability in both functional and performance behavior, though most formal techniques have typically focused their attention on the former. The objective of this paper is to present specification-based proof rules compositional or modular verification of performance in addition to functionality, addressing both time and space constraint...

We report about experiences at Philips Healthcare with component-based development supported by formal techniques. The formal Analytical Software Design (ASD) approach of the company Verum has been incorporated into the industrial workflow. The commercial tool ASD:Suite supports both compositional verification and code generation for control components. For other components test-driven developm...

Clinical guidelines are now commonly available, and their benefits have been demonstrated. However, they will not be widely used until they can be freely disseminated in a form that can be applied in the care process to assist the care provider. To do this effectively, guidelines must be authored to a common standard, in a form executable by a computer, such that the guideline takes into accoun...