About: http://webisa.webdatacommons.org/434084959

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	Since the join cost is a major portion of the total processing time, materialized join views can be defined to speed up RDF_MATCH processing.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com