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N. Samani, L. Hajibabai, M. Delavar, M.R. Malek, A. Frank:
"An Agent-based Indoor Wayfinding Based on Digital Sign System";
Talk: 26th Symposium of the Urban Data Management Society, Stuttgart, Germany; 2007-10-10 - 2007-10-12; in: "Urban and Regional Data Management UDMS Annual 2007", Taylor & Francis, (2007), ISBN: 978-0-415-44059-2; 511 - 521.

Developing effective urban planning approaches is a major challenge for outdoor and indoor environments. Wayfinding in unfamiliar indoor environments is a prime task which everyone would be encountered. The development of assistive technologies to aid wayfinding is hampered by the lack of reliable and cost-efficient methods providing location information in the environment. We have applied RFID technology as a low-cost and operative approach. Our contribution is the suitable design and placement of digital sign system that can be readily detected by a handheld device. We have simulated the task with an agent-based modeling. The hypothesis of the research is that the wayfinder has a handheld device such as a PDA or a mobile system which receives and responses the signals from digital signs through passive tags. Performance of the simulation showed that the appropriate design of digital signs in an unfamiliar environment would result in a more efficient wayfinding process.

http://publik.tuwien.ac.at/files/pub-geo_1939.pdf