About: http://webisa.webdatacommons.org/106526091

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	Long: here is a case where I have been unable to use Kevin's advice.
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net