About: http://webisa.webdatacommons.org/93391968

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	Of course, they can be provided in forms of elements other than buttons, and GUI or speech
http://www.w3.org/ns/prov#wasQuotedFrom	google.com