About: http://webisa.webdatacommons.org/18281529

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	Yes, as it was comment, there is an answer for that in the book Singular ...
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net