About: http://webisa.webdatacommons.org/217603358

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	As far as testing positive, I am not sure what the test they are using is.
http://www.w3.org/ns/prov#wasQuotedFrom	metafilter.com