This paper describes experience s gained from the implementation and evaluation of an XML-based integration system in a real case. The prototype was designed to support electronic data exchange in a supply chain. The purpose of the prototype was to study the propertie s of the integration system from both a development and usage perspective. In particular, the study outlined how and in which circumstances XML facilitates supply chain integration. EDI provided a point of comparison. This information is useful both for the developers and users of integration systems.

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Research on IT infrastructure investments and organizational productivity has been marked with ambiguity, evidenced by the much debated productivity paradox. Part of the ambiguity arises from a paradigmatic aggregated treatment of IT infrastructure and productivity constructs along with a disregard for contingencies and time lags. The focus in this paper is to extend the component based view to understand IT infrastructure productivity. Using a modular systems perspective, revisiting the constructs in an attempt to disaggregate them for a more detailed examination is proposed. This study adds to the body of knowledge through a holistic examination of the relationship between IT infrastructure configurations, contingencies, and organizational productivity. “The object of all science…is to co-ordinate our experiences into a logical system” Einstein (1922) 1