About: http://webisa.webdatacommons.org/165099217

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	@tokland: yes, as soon as performance was an issue you would want to reconsider.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com