About: http://webisa.webdatacommons.org/86511980

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	Generally, the more different kinds of things you can specify in a sketch, the more awkward the category of models is.
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net