About: http://webisa.webdatacommons.org/201788317

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	retrieved with calculations. What data types are best to use in this sort
http://www.w3.org/ns/prov#wasQuotedFrom	postgresql.org