About: http://webisa.webdatacommons.org/61630237

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	The system of claim 18, wherein the database is a relational database, and wherein the query manager is further configured to determine the sub-population by performing a pre-query operation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca