About: http://webisa.webdatacommons.org/234763221

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	Expressional nodes, <EXPR>, also called item expressions", and include such expressions as empty, constant, aggregate functions such as once, anyone, any.sub.-- true, and subqueries such as any(QRY, EXPR).
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com