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RESEARCH PRODUCT

A Top-Down Approach Based on Business Patterns for Web Information Systems Design

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International audience; In this paper we develop an approach that is based on a top-down strategy to realization of transactional web services. Our approach highlights non-functional properties (e.g., traceability, security) which are essential to preserving an application's quality. It is implemented in three steps. The first step is a breakdown of the application in accordance with a related business involved. The goal of this step is to have sets of actors and activity patterns defined as an activity workflow that support the architecture of the application. The next step allows developing a mapping of the activity pattern on this architecture. The aim of this step is to identify the risk for non-functional properties. The last step is the translation of patterns in abstract web service.