About: http://webisa.webdatacommons.org/281765660

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	There is a very important difference when all other types considered non-nullable - something we can only achieve by convention in D.
http://www.w3.org/ns/prov#wasQuotedFrom	digitalmars.com