About: http://webisa.webdatacommons.org/4993774

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	A constraint is a limit, requirement or threshold representing a maximum, minimum or other capability of the component being modelled.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com