About: http://webisa.webdatacommons.org/451986855

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	FIG. 13 is a flowchart of a specific procedure for performing a left outer join operation upon a count aggregate and applying different predicates to the joining and anti-joining tuples;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com