About: http://webisa.webdatacommons.org/440449249

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	Things are a little better with implementation files: You can get away with simply writing a using directive in each implementation file, as long as the using directive appears after all #include statements.
http://www.w3.org/ns/prov#wasQuotedFrom	drdobbs.com