About: http://webisa.webdatacommons.org/67343058

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 first of these sensors was a proximity sensor, which would turn off the display and prevent touchscreen capability when the phone is held next to the ear.
http://www.w3.org/ns/prov#wasQuotedFrom	calendars.com