An enterprise information system distinguishes itself from other types of software as it is developed to facilitate the operation of an organization hence its requirement reflects its strategies, plans, processes etc. The requirements in the form of domain knowledge acquired during the early stage of development can be organized and modeled in an Enterprise Architecture. Zachman Framework is one of the most widely used Enterprise Architectures Framework. However, in the original Zachman Framework, there is neither a rigorous meta-model nor a well-defined sequence in which to instantiate the...