A three-level schema architecture for the conceptual design of web-based information systems: from web-data management to integrated web-data and web-process management |
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Authors: | Preuner Günter Schrefl Michael |
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Affiliation: | 1.Institut für Wirtschaftsinformatik, Universit?t Linz, A-4040, Linz, Austria ;2.Advanced Computing Research Center, University of South Australia, Mawson Lakes, South Australia, 5095, Australia ; |
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Abstract: | It has been recognized only recently that, like databases, web sites need models and schemes. Data-intensive web sites are best developed using a multi-level design approach proceeding from data design via navigation design to web-page design. Modern web-based information systems are no longer static in nature. Rather they are dynamic. Besides querying, they support workflow tasks and e-commerce transactions. The design of such systems needs to consider the underlying business process next to the data. Their integrated design has been mainly treated in an ad-hoc way so far. In this paper, we present a three-level schema architecture for the conceptual design of dynamic web-based information systems. We employ an object-oriented approach that integrates data and process management and complements previous approaches for the design of data-intensive web sites. This revised version was published online in August 2006 with corrections to the Cover Date. |
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