Possibilities of Business Process Modeling Language and UML 2.0 are analyzed for definition of e-business processes. The advantages and comparison of these new languages are represented using auction process model in UML 1.4, UML 2.0 and BPMN. Lastly, structured process modeling methodology is represented. That will give business users the ability to make activity process model in the shape of a acycle graph, that is easy transformable to business process execution language BPEL4WS.

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The subject of the presented thesis is process modeling. The process modeling and process management is at present for many companies interesting issue, which is referred to as business process management (BPM). Large numbers of standards and tools have been developed to support business process management. The goal of this study is to compare different standards and tools for process modeling according to the process maturity of the organization, and to recommend a specific tool. The standards and tools are compared by demands selected according to the study of the literature and author's knowledge. At the same time, companies are divided to groups according to their requirements according to process maturity of the company and therefore the requirements for process modeling. Demands for comparison of the standards and tools are used depending on the process maturity of company using the Capability Maturity Model Integration (CMMI). For each level of process maturity recommendations of appropriate tools are presented, that could support the efforts of companies to achieve a given maturity level. Subsequently, the evaluation model with demands is used to recommend appropriate tool for a retail company.

Business process management is important topic in business information systems. Workflow systems are taking the top places in company information system architecture due to aspiration to make business process more and more optimized. This project is about parallel processing and implementation of business processes parallel processing in complex information systems. Content of this project is o function and object library for modeling business process in Vema, a. s. Workflow system. Important part of this project is parallel processing solution and its implementation.