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The Internet is going through several major changes. It has become a vehicle of Web services rather than just a repository of… Expand Abstract Despite their wide range of applications, workflow systems still suffer from lack of an agreed and standard modelling… Expand Workflow management promises a new solution to an age-old problem: controlling, monitoring, optimizing and supporting business… Expand A collection of 10 “rules of thumb” is presented that helps to determine the decidability and complexity of a large number of… Expand In this paper we illustrate a compositional method for modeling the concurrent execution of working processes in flexible… Expand List of Figures. List of Tables. 1. Introduction. 2. Petri Nets and Manufacturing Systems. 3. Parallel Mutual Exclusions. 4… Expand 1. Introductory Examples and Basic Definitions.- 1.1 Examples from Different Areas.- 1.2 Examples from Logic Circuits and… Expand An algorithm is presented for the general Petri net reachability problem. It is based on a generalization of the basic… Expand Over the last decade, the Petr i net has gamed increased usage and acceptance as a basic model of systems of asynchronous… Expand