About: http://webisa.webdatacommons.org/51244546

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The present invention relates in general to geodesy, cartography and computer technology, and in particular to positioning systems, digital orthophotographs and digital terrain elevation data, and Geographic Information Systems.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com