About: http://webisa.webdatacommons.org/453669777

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	Preferably, the cell phone (or headset, etc) has a button or other input device that allows the user to indicate to the cell phone that what he is saying is a voice command to be recognized by the phone.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com