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Crowd location forecasting at points of interest
by Jorge Alvarez-Lozano; J. Antonio García-Macías; Edgar Chávez
International Journal of Ad Hoc and Ubiquitous Computing (IJAHUC), Vol. 18, No. 4, 2015
Abstract: Predicting the location of a mobile user in the near future can be used for a large number of user-centred ubiquitous applications. This can be extended to crowd-centred applications if a large number of users is included. In this paper we present a spatio-temporal prediction approach to forecast user location in a medium-term period. Our approach is based on the hypothesis that users exhibit a different mobility pattern for each day of the week. Once factored out this weekly pattern, user mobility among points of interest is postulated to be markovian. We trained a hidden Markov model to forecast user mobility and evaluated our approach using a public dataset. The experimental results show that our approach is effective considering a time period of up to 7 h. We obtained an accuracy of up to 81.75% for a period of 30 min, and 66.25% considering 7 h.
Online publication date: Sun, 26-Apr-2015
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