About: http://webisa.webdatacommons.org/221928614

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	I recently read a good, quick, exposition on different types of nothing here.
http://www.w3.org/ns/prov#wasQuotedFrom	richarddawkins.net