OntoWebber is a system for creating and managing dataintensive Web sites. It aims at reducing the efforts for publishing data as static and dynamic Web pages, personalizing user experience for browsing and navigating the data, and maintaining the Web site as well as the underlying data. Based on a domain ontology and a site modeling ontology, site views on the underlying data are constructed as site models. Instantiation of these models will create the browsable Web site. Rule-based

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... of site models provides a declarative way to personalize and maintain the Web site. In this paper we present the architecture and demonstrate the major components of the system.