About: http://webisa.webdatacommons.org/210814066

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	For example, in the case of a machine for enhancing arithmetic skills, a problem is presented on a display device, such as a LED or LCD display, and the user is asked to enter the correct numeric answer via a keypad.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com