About: http://webisa.webdatacommons.org/100301891

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	I do not know Ruby, but that does not seem like the sort of thing that would be found in any language's standard library.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com