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Volume 10 Issue 1 JUNE 2007
Information System Architecture Metrics: an Enterprise Engineering Evaluation Approach
André Vasconcelos, Pedro Sousa and José Tribolet
Technical University of Lisbon, Portugal
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Although some important technological developments have been achieved during the last decade, information systems still do not answer efficiently enough to the continuous demands that organisations are facing – causing a non-alignment between business and information technologies (IT) and therefore reducing that organisation’s competitive abilities. This paper proposes sixteen metrics for the Information System Architecture (ISA) evaluation, supported in an ISA modelling framework. The major goal of the metrics proposed is to assist the architect previewing the impact of his/her ISA design choices on the non-functional qualities of the Enterprise Information System (EIS), ensuring EIS better aligns with business needs. The metrics proposed are based on the research accomplished by other authors, from the knowledge in other more mature areas and on the authors’ experience of real world ISA evaluation projects. The metrics proposed are applied to an e-government project in order to support the definition of a suitable ISA for a set of business and technological requirements.
Keywords:
information system architecture metrics, information system architecture evaluation, enterprise information system, CEO framework, e-government project evaluation.
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