About: http://webisa.webdatacommons.org/308868218

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 warning normally would be an error, but there was a bug in some old perl versions so that using %x->{} would be accepted.
http://www.w3.org/ns/prov#wasQuotedFrom	perlmonks.org