André Vasconcelos is a Information Systems lecturer at the Instituto Superior Técnico, Technical University of Lisbon, Portugal, and a PhD candidate at the same university on the topic of Information System Architectures. He holds a Master degree in Computer Engineering and Information Systems from Technical University of Lisbon, and his education has a background in computer science and software engineering. He has worked in several national and international projects concerning enterprise architecture and enterprise-distributed object computing. His research interests include Information System Architecture, Information System Architecture Evaluation, Enterprise Modelling, Organizational Engineering, and Business Process Modelling.

Presentation
Evaluating Enterprise Information Systems Architectures

This presentation describes a set of metrics for the Information System Architecture (ISA) evaluation, supported in an ISA modelling framework (based on TOGAF concepts). 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 align 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 on 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.

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