1. Communication: a European strategy for data. https://commission.europa.eu/strategy-and-policy/priorities-2019-2024/europe-fit-digital-age/european-data-strategy_en.
2. Your apps know where you were last night, and they’re not keeping it secret;Valentino-Devries,2018
3. Big trajectory data mining: a survey of methods, applications, and services;Wang;Sensors,2020
4. 2020/518 of 8 April 2020 on a common Union toolbox for the use of technology and data to combat and exit from the COVID-19 crisis, in particular concerning mobile applications and the use of anonymised mobility data,2020
5. Security and privacy in location-based services for vehicular and mobile communications: an overview, challenges, and countermeasures;Asuquo;IEEE Internet Things J,2018