Titlebook: Lectures on Concurrency and Petri Nets; Advances in Petri Ne J?rg Desel,Wolfgang Reisig,Grzegorz Rozenberg Textbook 2004 Springer-Verlag Be

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Graph Grammars and Petri Net Transformations, hand. In addition to an introduction to both areas the paper shows how they have influenced each other. The concurrency concepts and semantics of graph transformations have been generalized from those of Petri net using the fact that the token game of Petri nets can be considered as a graph transfo

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Model-Based Development of Executable Business Processes for Web Services, standardization and flexibility. For this purpose, platform-independent XML-based languages like the . are suitable. XML documents are in fact human readable, but in general they are hard to produce and to understand by business experts which are, however, most qualified for defining business proce

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Modelling and Control with Modules of Signal Nets,ism is based on Petri net modules which communicate via signals. Two kinds of signals are employed, namely active signals, which force occurrence of (enabled) events (typically switches), and passive signals which enable/prohibit occurring of events (typically sensors). Modelling with such modules a

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es promise to add greatly to our understanding of nervous system function (50, 68). . hybridization is one of the methods of molecular biology that will allow neurobiologists to address fundamental questions concerning gene expression in neural tissue. The . method permits one to label ribosomal RNA

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Wil M. P. van der Aalste and transcription of the gene encoding that peptide hormone. Although the exact mechanism of this coupling is unclear, it is believed that a product of the metabolic cascade elicited upon activation of plasma membrane receptors by catecholamines or peptide hormones is subsequently able to directly

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Dan Barak,David Harel,Rami Marellyes promise to add greatly to our understanding of nervous system function (50, 68). . hybridization is one of the methods of molecular biology that will allow neurobiologists to address fundamental questions concerning gene expression in neural tissue. The . method permits one to label ribosomal RNA

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Johan Bengtsson,Wang Yie complexity of this tissue means that a technique with high resolving power is needed to identify changes in gene expression that occur in a small group of cells. The CNS is extremely heterogeneous, it contains a dozen classical transmitters and more than 40 neuropeptides all in discrete cell clust