About: http://webisa.webdatacommons.org/9593924

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	Hmm, possibly there is a good thing even in Scala's oddity of non-variant (immutable!) Sets (see ShiNoNoir's link above).Ok, I got two things, the second about transfinite ordinals.
http://www.w3.org/ns/prov#wasQuotedFrom	msdn.com