About: http://webisa.webdatacommons.org/421611304

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	Other technologies have been applied to create touch screens and pads, including surface accoustic wave technology; and these screens and pads have also been used with computing systems to create push-buttons.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca