About: http://webisa.webdatacommons.org/93020541

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	WiFi positioning is the most fully developed and deployed of these, but television broadcasts, inertial sensors, gyroscopes, odometers, speedometers, compasses, and other inputs can also be used.
http://www.w3.org/ns/prov#wasQuotedFrom	arstechnica.com