About: http://webisa.webdatacommons.org/221698292

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	Columns defined as structured user-defined types cannot be used in constraints or indexes
http://www.w3.org/ns/prov#wasQuotedFrom	mimer.com