About: http://webisa.webdatacommons.org/444502584

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 system is similarly accurate in dense urban areas where buildings interfere with radio and other communications, such as GPS.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com