About: http://webisa.webdatacommons.org/291251829

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 SQL, if you only need to know whether any data exists or not, do not bother with COUNT(*):
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com