About: http://webisa.webdatacommons.org/171952996

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	The exception types 'stop' and 'return' are used to implement the STOP and RETURN directives.
http://www.w3.org/ns/prov#wasQuotedFrom	perl.org