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Modelling of Complex Software Systems: a Reasoned Overview
"... This paper is devoted to the presentation of the key concepts on which a mathematical theory of complex (industrial) systems can be based. We especially show how this formal framework can capture the realness of modern information technologies. We also present some new modelling problems that are na ..."
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This paper is devoted to the presentation of the key concepts on which a mathematical theory of complex (industrial) systems can be based. We especially show how this formal framework can capture the realness of modern information technologies. We also present some new modelling problems that are naturally emerging in the specific context of complex software systems.
Towards a functional formalism for modelling complex industrial systems
 ComPlexUs, special Issue : Complex Systems  European Conference 2005
, 2006
"... This paper is dedicated to the memory of Imre Lakatos ..."
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This paper is dedicated to the memory of Imre Lakatos
Chapter 1 MODELING, SIMULATION AND VISUALIZATION TECHNOLOGIES: FRONTIERS AND BEYOND
"... Virtual product development systems evolved from the integration of modeling, simulation and visualization tools and facilities with other product life cycle software and management tools. As the trend of distributed collaboration, largescale integration of computing resources, enterprise tools, fa ..."
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Virtual product development systems evolved from the integration of modeling, simulation and visualization tools and facilities with other product life cycle software and management tools. As the trend of distributed collaboration, largescale integration of computing resources, enterprise tools, facilities, and processes continues, fundamental paradigm shift will occur in modeling simulation and visualization (MSV) technologies. The present paper reviews some of the recent developments in the MSV technologies, and identifies the major components of future product development infrastructure, with particular emphasis on the role of MSV technologies.
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"... Abstract. We develop a unified functional formalism for modelling complex systems, that is to say systems that are composed of a number of heterogeneous components, including typically software and physical devices. Our approach relies on nonstandard analysis that allows us to model continuous time ..."
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Abstract. We develop a unified functional formalism for modelling complex systems, that is to say systems that are composed of a number of heterogeneous components, including typically software and physical devices. Our approach relies on nonstandard analysis that allows us to model continuous time in a discrete way. Systems are defined as generalized Turing machines with temporized input, internal and output mechanisms. Behaviors of systems are represented by transfer functions. A transfer function is said to be implementable if it is associated with a system. This notion leads us to define a new classwhich is natural in our framework of computable functions on (usual) real numbers. We show that our definitions are robust: on one hand, the class of implementable transfer functions is closed under composition; on the other hand, the class of computable functions in our meaning includes analytical functions whose coefficients are computable in the usual way, and is closed under addition, multiplication, differentiation and integration. Our class of computable functions also includes solutions of dynamical and Hamiltonian systems defined by computable functions. Hence,
Simulation Modeling , IT Cost Analysis, pretty standardized.
"... Any commercial company aims to be successfully in its market but there is one thing, which is more difficult to achieve: to be profitable. In the contemporary conditions of keen competition it is needed to count all aspects, which influence company efficiency in order to get ahead of competitors and ..."
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Any commercial company aims to be successfully in its market but there is one thing, which is more difficult to achieve: to be profitable. In the contemporary conditions of keen competition it is needed to count all aspects, which influence company efficiency in order to get ahead of competitors and get the results.