About: http://webisa.webdatacommons.org/199811879

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	For instance, in the case of Pairs, there must exist types b and c such that a is constrained to be b??c.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com