Conceptual Modelling of Web Information Systems

Klaus-Dieter Schewe, Bernhard Thalheim

Citation
Klaus-Dieter Schewe, Bernhard Thalheim, Conceptual Modelling of Web Information Systems, Data & Knowledge Engineering, 54(2):147-188, August 2004.
Descriptions
Abstract:

This paper presents the conceptual modelling parts of a methodology for the design of large-scale data-intensive web information systems (WISs) that is based on an abstract abstraction layer model (ALM). It concentrates on the two most important layers in this model: a business layer and a conceptual layer. The major activities on the business layer deal with user profiling and storyboarding, which addresses the design of an underlying application story. The core of such a story can be expressed by a directed multi-graph, in which the vertices represent scenes and the edges actions by the users including navigation. This leads to story algebras which can then be used to personalise the WIS to the needs of a user with a particular profile. The major activities on the conceptual layer address the support of scenes by modelling media types, which combine links to databases via extended views with the generation of navigation structures, operations supporting the activities in the storyboard, hierarchical presentations, and adaptivity to users, end-devices and channels.

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