Too Long; Didn't Read
A few months ago, Navigine R&D team started participating in the Indoor Location & Navigation competition from XYZ10 and Microsoft Research. Organizers provided the participants with logs from hundreds of shopping centers. It was necessary to predict the floor and the x, y coordinate of the visitor on that floor based on radio signals and inertial sensors. In addition to the logs, participants had metadata in the form of a map, which shows the location of cafes, shops, and other points of interest (POI)