Definition
Techniques to evaluate and enhance the privacy of users that contribute traces of their movements to a geographical information system (GIS). Due to the increasing prevalence of global positioning system (GPS) chips in consumer electronics and advances in wireless networking, GIS can collect GPS traces of large numbers of individual users. These traces give rise to privacy concerns, since GPS traces can reveal visits to sensitive or private places (e.g., home, medical clinics) and associated information such as time of day or speed of travel.
Privacy can be enhanced through standard data protection techniques such as policy disclosure, obtaining user consent, access control, and encryption. Anonymization, another standard technique, is of particular interest for GIS applications that aggregate data from many users, since it also protects against accidental and...
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Recommended Reading
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Gruteser, M., Hoh, B. (2017). Privacy Preservation of GPS Traces. In: Shekhar, S., Xiong, H., Zhou, X. (eds) Encyclopedia of GIS. Springer, Cham. https://doi.org/10.1007/978-3-319-17885-1_1020
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DOI: https://doi.org/10.1007/978-3-319-17885-1_1020
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