PostGIS Cookbook - Second Edition

Definition of Location Privacy Protection Mechanisms – LPPMs

Location privacy can be defined by Duckham and Kulik in [2] as follows: A special type of information privacy which concerns the claim of individuals to determine for themselves when, how, and to what extent location information about them is communicated to others. Based on this definition, users should have power over their location information; however, it is well known that this is not the reality in many cases. Often, a service provider requires full access to a user's location in order for the service to become available.

In addition, because there is no restriction on the quality of location information that service providers can record, it's common for the exact GPS coordinates ...