About: http://webisa.webdatacommons.org/120794773

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	In fact, using Ocaml as the implementation language, all examples that we know as involving virtual types can actually be typed in with no effort at all.
http://www.w3.org/ns/prov#wasQuotedFrom	lambda-the-ultimate.org