About: http://webisa.webdatacommons.org/398105133

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 the purposes of this document, an expression is a sequence of operators and operands, where operators fall into one of the following categories:
http://www.w3.org/ns/prov#wasQuotedFrom	p5r.org