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We introduce Amigo - an Instant Messaging (IM) client for handheld computers. Amigo allows free-form images as well as handwriting to be sent between people, taking advantage of the touch sensitive display of mobile devices. Amigo differs from other IM clients in that the text written by the user never has to be translated into ASCII data. Twenty students(More)
Recent advances in mobile and wireless technology have made possible new types of information systems supporting key activities in transport organizations. By including mobile actors and equipment, such technology is a key enabler for realizing the vision of enterprise system support in this context. This paper focuses on a particular type of transport(More)
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