About: http://webisa.webdatacommons.org/420817401

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	We present a rule-based approach that is applicable to simple and nested relational views defined using operations such as set difference, union, intersection, selection, projection and join operations.
http://www.w3.org/ns/prov#wasQuotedFrom	psu.edu