About: http://webisa.webdatacommons.org/7682405

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 function does Boolean operations between sub-conditions; each condition is a filter of one or more fields of the specified table(s).
http://www.w3.org/ns/prov#wasQuotedFrom	codeproject.com