About: http://webisa.webdatacommons.org/297896056

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	There are different types of buttons for different uses, each considered a subclass, e.g. action handles or drag icons.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca