Embodiments described herein relate to anonymizing of trajectories of mobile devices through the obfuscation of stay points. Methods may include: receiving probe data points of a trajectory in real-time or near real-time from a probe apparatus as it travels along the trajectory; calculating, for each probe data point, a probability of the trajectory reaching a stay point within a predetermined distance; providing sequential sub-sets of probe data points of the trajectory to a location-based service provider in response to the sequential sub-sets of probe data points including probe data points having a probability failing to satisfy a predetermined value; and identifying a last sub-set of probe data points of the sequential sub-sets of probe data points to provide to the location-based service provider in response to identifying a probe data point having a probability of the trajectory reaching a stay point within the predetermined distance satisfying the predetermined value.
METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR ANONYMIZING TRAJECTORIES AND STAY POINTS
VERFAHREN, GERÄT UND COMPUTERPROGRAMMPRODUKT ZUM ANONYMISIEREN VON BAHNVERLÄUFEN UND AUFENTHALTSPUNKTEN
PROCÉDÉ, APPAREIL ET PRODUIT DE PROGRAMME INFORMATIQUE DESTINÉS À L'ANONYMISATION DES TRAJECTOIRES ET DES POINTS DE SÉJOUR
07.12.2022
Patent
Elektronische Ressource
Englisch
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