In this recipe, we will focus on the implementation of the MaPIR technique as an example of a PIR and dummy query-based LPPM. For this, a small dataset of supermarkets is loaded on the database as PoIs. These points will be processed and stored as explained in MaPIR, and then queried by a user.
The dataset was obtained from the Colombian open data platform Datos Abiertos at the following link:
The points in the dataset are presented in the following figure: