About: http://webisa.webdatacommons.org/51511633

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	They are also difficult to enforce, especially if there are no code reviews or other mechanism for making sure the code conforms to the standard.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com