Since the first electronic computers hit the market in the 1950's, governments have been amongst the biggest users of Information Technology (IT) worldwide. Therefore, it is in the general public's best interests that government officials are provided with concepts, methods and tools that help them to optimise the results yielded by IT investments. This paper presents a method that identifies the best implementation order for a portfolio of IT projects that has been broken down into a large number of subprojects. The method builds on previous proposals by providing a framework that properly considers the intangible benefits that are a matter of common concern in the public sector.
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