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Persons with motor limitations constitute a group-challenge when building indoor navigation and Location-Based Services (LBS). The authors present here the systematic approach they have developed that has to be taken into account in the user needs analysis of persons with motor disabilities when an advanced system for indoor navigation and LBS is designed. In the first part the authors present a step-by-step and detailed methodology about the extraction of the user requirements’ knowledge in order to develop an indoor navigation and LBS system that provides adequate and usable output to persons with motor limitations. In the second part, after an overview of the existing indoor LBS, the authors present the development of the MNISIKLIS system giving emphasis on the User Interface designed after following the knowledge derived from the first part.

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