About: http://webisa.webdatacommons.org/10824557

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	Materialized views can be multitier, where one materialized view is a subset of another materialized view.
http://www.w3.org/ns/prov#wasQuotedFrom	oracle.com