About: http://webisa.webdatacommons.org/159095859

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	The data processing system may also include an optional keyboard and/or buttons, such as dedicated or soft buttons, on the system to allow the user to provide inputs to the keyboard and/or the buttons.
http://www.w3.org/ns/prov#wasQuotedFrom	justia.com