About: http://webisa.webdatacommons.org/149904809

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	Accuracy of the app is entirely dependent on the magnetic sensor in your device and is affected by electrical equipment such as TVs, PCs??? due to electromagnetic waves.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com