About: http://webisa.webdatacommons.org/403461254

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	Normally on a keyboard there is a window message and keycodes to indicate when a key is pressed, and also when it is released.
http://www.w3.org/ns/prov#wasQuotedFrom	arduino.cc