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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Fuzzy sets used to determine how far the pedestrian is from the next pedestrian point of interest base on its options. (a) Sightseeing; (b) walking; (c) running.