About: http://webisa.webdatacommons.org/201833168

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	Bruce's book is a good one, but a large portion of the page count is
http://www.w3.org/ns/prov#wasQuotedFrom	postgresql.org