About: http://webisa.webdatacommons.org/12155731

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 other embodiments, an orientation sensor other than an accelerometer may be used, such as a gravity sensor, a gyroscope, a tilt sensor, an electronic compass or other suitable sensors, or combinations thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com