About: http://webisa.webdatacommons.org/289002105

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	Also, confusing, but this is probably a good thing - it shows that algebraizing the problem is a good idea.
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net