About: http://webisa.webdatacommons.org/73378131

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	Originally posted as a comment, here is a link to what appears to be a draft of the former mentioned standard, the ANSI C standard.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com