About: http://webisa.webdatacommons.org/150359712

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	a scanner is a keyboard, so blocking a key press would block the scanner as well.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com