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This report addresses the issue of authoring XML multimedia content on the web. It focuses on methods that apply to different kinds of contents, including structured documents, factual data, and multimedia objects. It argues in favor of a template-based approach that significantly enhances the ability for multiple applications to use the produced content. It presents AXEL, an innovative multipurpose client-side authoring framework targeted to web users with limited skills. The versatility of the tool is illustrated through a series of use cases that demonstrate the flexibility of the approach for creating various kinds of content.; Ce rapport traite de la création de contenus multimédia sur le web. Il se concentre sur les méthodes qui s'appliquent à différents types de contenus, comme les documents structurés, les données factuelles et les objets multimédia. Il défend une approche fondée sur les templates, qui augmente significativement la capacité pour différentes applications d'utiliser les contenus produits. Il présente AXEL, un environnement innovant côté client destiné aux utilisateurs web sans compétences particulières. La souplesse de l'outil est illustrée par un ensemble de cas d'utilisation qui montrent l'intérêt de l'approche pour créer différents types de contenus.

9 pages; International audience; One way of providing technological support for CoPs is to help participants to produce, structure and share information. As this information becomes more and more multimedia in nature, the challenge is to build multimedia authoring and publishing tools that meets CoPs requirements. In this paper we analyze these requirements and propose a multimedia authoring model and a generic platform on which specific CoPs-oriented authoring tools can be realized. The main idea is to provide template-based authoring tools while keeping rich composition capabilities and smooth adaptability. It is based on a component-oriented approach integrating homogeneously logical, time and spatial structures. Templates are defined as constraints on these structures.