Abstract
Alexis Daniels, Cris Koutsougeras
At its core GIS, or Geographical Information System, is a mapping tool that allows various types of information to be linked to geolocation. With advances in Big Data technologies, the availability of a large and ever increasing streams of geolocated data, the new services based on geolocation that are used by massive numbers of people especially on mobile devices, GIS systems are becoming fundamental and increasingly important to large numbers of individuals as well as businesses and industry. The purpose of this paper is to review the current state of the art of GIS technology and provide a summary view of its functionality and the major issues around its use. It is aimed to be readable by a wide readership familiar with computing technologies but not necessarily versed in GIS.
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