About: http://webisa.webdatacommons.org/217916977

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	It also seems to me that anonymous unions already introduce many of these issues, so the problems do not seem too complex to me, except in the sense of too little drive to solve them.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com