“…In the research works analysed, some authors used OGC standards to manage and represent indoor and outdoor maps [57]. Here we can observe the use of third-party maps which already full some standards, e.g., Google Maps [61,60,109,100,89,7,2], and also the use of custom maps [8,40,53,99,63,3,71,101] Position Technologies Section 2. is one of the standards used to evaluate indoor positioning system [114,32]. This standard consists of a set of guidelines for the standardisation of IPS/ILS which have been widely discussed within the indoor positioning community [115,116].…”