About: http://webisa.webdatacommons.org/289493817

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	For example, if gender is a factor, then male and female are the two levels.
http://www.w3.org/ns/prov#wasQuotedFrom	reliawiki.org