About: http://webisa.webdatacommons.org/447330783

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	It turns out, that fold is a function which accepts two parameters: a Set of values to fold and another function (huh?) which tells in which way to fold that values.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com