About: http://webisa.webdatacommons.org/137759633

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	There are trial versions that last from 60 to 120 days; they can be obtained in books and other places.
http://www.w3.org/ns/prov#wasQuotedFrom	codeguru.com