About: http://webisa.webdatacommons.org/270223327

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	In relational database systems, an optimizer is a module that builds a plan of how a query will be executed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com