About: http://webisa.webdatacommons.org/273400786

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	where item is an expression, delimiter is a delimiter and end is an optional closing expression.
http://www.w3.org/ns/prov#wasQuotedFrom	boost.org