About: http://webisa.webdatacommons.org/254627804

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	Full outer join, if the join condition involves comparisons other than equality
http://www.w3.org/ns/prov#wasQuotedFrom	issuu.com