About: http://webisa.webdatacommons.org/63394014

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	Remove the nullable attributes from all of the fields, this will prevent us from doing something silly at a later date, and will avoid Object Relational Mappers such as Entity Framework from creating nullable data types.
http://www.w3.org/ns/prov#wasQuotedFrom	richard-slater.co.uk