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Ontology Driven E-Government
Abstract
Expectations of citizens concerning the quality of electronically available public services are steadily increasing. Thus more and more of these services are fully transactional (Layne und Lee, 2001) and offer tight integration of electronic access and underlying processes. Whereas this leads to better results in the terms of time, convenience and correctness, software systems become more complex and development effort rises as well. On the other hand, in the field of software engineering there exist several recommendations and approaches to reduce development time and increase the degree of software re-use. Some of these recommendations are known for decades (McIlroy, 1968). One approach that tries to tackle this problem at the very beginning of the development circle is Model Driven Architecture (MDA) (Miller et al, 2001). The core idea behind MDA is the creation of a comprehensive system model that is based on several abstraction levels (OMG, 2002). These different modeling layers as well as a set of transformations between them allow for the automatic generation of most of the code needed. Whereas typically UML 2, which is also based on the same multi-layer modeling approach, is used to create the required abstract descriptions, there already exist some efforts to extend MDA to semantic web technologies as well (OMG, 2006). This chapter describes an approach to apply an MDA-like methodology, which is entirely based on a semantic model to the e-Government domain. The goals are to ease access to e-Government services, provide a new level of user experience and of course to reduce the implementation and maintenance effort while significantly improving the overall quality of service.
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