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Xavier Briffault


Publications by Xavier Briffault (bibliography)

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Gaunet, Florence and Briffault, Xavier (2005): Exploring the Functional Specifications of a Localized Wayfinding Verbal Aid for Blind Pedestrians: Simple and Structured Urban Areas. In Human-Computer Interaction, 20 (3) pp. 267-314. http://www.leaonline.com/doi/abs/10.1207/s15327051hci2003_2

We propose functional specifications for a localized verbal wayfinding aid for blind pedestrians, in simple and structured urban areas. A user-centered design approach, that is, the analyses of route descriptions produced by blind pedestrians, allowed first to evidence verbal guidance rules and then to elaborate route descriptions of unfamiliar paths; their efficiency was confirmed. We found that specific database features are streets, sidewalks, crosswalks, and intersections and that guidance functions consist of a combination of orientation and localization, goal location, intersection, crosswalks, and warning information as well as of progression, crossing, orientation, and route-ending instructions; they have to be provided between 5 to 10 meters before an intersection, after crossing, at middle block, and after entering a street. Last, verbal guidance is possible in simple and structured urban areas, with no localization aid, and is optimal within 5 meters' precision. The outcomes and limits of the requirements of the navigational aid evidenced are discussed.

© All rights reserved Gaunet and Briffault and/or Taylor and Francis

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Kotowicz, Jean-Philippe and Briffault, Xavier (1999): Linguistic Engineering for Conception of Multi-Agents Systems-Application to the Formalisation of Enterprise Information Systems. In: ICEIS 1999 1999. pp. 248-255.

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