For the 2012 GisCup, me and Sérgio Freitas submitted some code to test some Geospatial methods. The challenge goal was to match a set of points (P) from a GPS log to a set of Edges (E). In this contest, both the accuracy (points matched correctly) and the efficiency (time taken to complete) were evaluated. Process According to our method, for matching a point P to a edge E from the road network set, the ranking criteria used where the following: