Application of Information Technology (IT) and Information Systems (IS) represents significant financial investments, with alternative perspectives to the evaluation domain coming from both public and private sectors. As a result of the increase in IT / IS budgets and their growing significance in the development of organizational infrastructure, evaluation and performance measurement of new technology remains a perennial issue for management. Evaluating Information Systems explores the concept of evaluation as an evolutionary and dynamic process that takes into account the company's technology ability to integrate information systems within and between organizations. * A unique reference work and examination of the IS evaluation 'life cycle' * A holistic treatment approach the subject outside 'investment rating' normal prescriptive that reflects recent developments in the field * The text is important for students on business information systems program and in-depth source for professionals involved in justifying IT / IS expenditure