About: http://webisa.webdatacommons.org/138815066

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	Using this trick in both base and derived classes is, of course, very inefficient.As for exception safety, yes, it is horrible but then again so is a default generated member-wise version (which does not always deliver basic-guarantee).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com