This paper concerns the problem of designing an information system for public transportation users. The aim of this system is to centralise data issued from different sources and to select those, which are relevant for built useful information for the users. In this work we propose an approach to link data representing the actual users' needs with data available in the transportation network management system. The steps to find the links between users data and information sources have been, firstly to identify the actual users needs, secondly to characterize and assess data available in the information network management system, and thirdly, to select those, which are relevant to provide the users with efficient.
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