@prefix dct: . @prefix ns1: . @prefix ns2: . @prefix ns3: . @prefix rdfs: . @prefix skos: . a skos:Concept ; ns3:source "PreANVIL Glossary http://www.anvil.eu.com/find/Glossary-english.htm" ; dct:created "2018-03-13" ; dct:modified "2018-04-16" ; ns1:hasProfile , , ; ns2:status ; rdfs:seeAlso ; skos:definition "Global Positioning System: (1) a network of satellites that interact with special receivers to position the receiver relative to the Earth. (2) describing the generic approach to using a network of satellites to deliver a positioning service. Although GPS can be used to determine location very precisely (within centimeters given the correct controls and proper use, it does not solve all the problems of location determination in GIS databases."@en ; skos:prefLabel "GPS"@en .