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Abstract
According to the Standish Group in 2004, estimates of failures of information technology projects in the United State were $55 billion of total project spending, or $255 billion. Even though information technology quality has become more reliable, many projects have still not succeeded as the survey results show.To reduce failure risks of information technology projects, the integration of enterprise architecture and information architecture into software engineering and project management practices will be an important issue for organizations. These four fields, project management, software engineering, information architecture, and enterprise architecture, will become tremendously interdependent and their collaboration will become extremely important. The purpose of this thesis is to present an integrated framework and a methodology, based on the four fields, which are adapted for implementing enterprise-wide information systems, such as enterprise portals. This framework and methodology is based on the practical and theoretical ideas presented by A Guide to the Project Management Body of Knowledge (PMBOK) from the Project Management Institute (2004), Software Engineering Methodology from Pressman (2000), Information Architecture Development Process from Peter Moville and Louis Rosenfeld (2007), and The Open Group Architecture Framework (TOGAF) from The Open Group (2003).