Business processes, regarded as heavy-weighted flows of control consisting of activities and transitions, pay an increasingly important role in Web applications. In order to address these business processes, Web methodologies are evolving to support its definition and integration with the Web specific aspects of content, navigation and presentation. This paper presents the model support provided for this kind of processes by both OO-H and UWE. For this support both approaches use UML use cases and activity diagrams and provide appropriate modeling extensions. Additionally, the connection mechanisms between the navigation and the process specific modeling elements are discussed. As a representative example to illustrate our approach we present the requirements, analysis and design models for the amazon.com Website with focus on the checkout process. Our approach includes requirements and analysis models shared by OO-H and UWE and provides the basis on which each method applies its particular design notation
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