About: http://webisa.webdatacommons.org/438282724

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 such computer systems, an operator often uses an object, such as a finger, pencil, stylus, or other means, to contact a surface.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es