About: http://webisa.webdatacommons.org/14826549

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	In one embodiment, a mobile device is attached to a positioning device, such as a GPS receiver, that has a positional error typically on the order of 2-15 meters.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com