About: http://webisa.webdatacommons.org/33291003

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	Later in the post was a brief discussion of a few reusable abstractions for covariant and contravariant function objects" of this form.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com