About: http://webisa.webdatacommons.org/386986812

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	As I said, this is a guess, but I wonder if anyone can offer anything other than a guess.
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net