Document Type



Master of Science (MS)


Computer Science

First Advisor's Name

Yi Deng

First Advisor's Committee Title

Committee Chair

Second Advisor's Name

Raimund Ege

Third Advisor's Name

Paul Attie

Date of Defense



Large business organizations with enterprise wide systems have followed an ad hoc incremental growth pattern. They are either monolithic, that are difficult to replace and maintain, or are components with little or no interoperability between them. Such systems suffer from lack of uniformity and definition in their information technology infrastructure. To migrate from this state, to systems that are extensible, interoperable and non-redundant in functionality it is very important to focus on the architecture. We use the healthcare enterprise system as a case study for the purpose of this thesis. It is indeed difficult, if not impossible to construct the overall architecture of the system without identifying the individual components of the system. Hence we follow an incremental methodology in identifying and developing each component. One such component is Order management, which is an essential component of a healthcare information system that offers enterprise wide functionality.





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