About: http://webisa.webdatacommons.org/169792275

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	Test suite is taken from http://www.sai.msu.su/~megera/wiki/2009-04-03:
http://www.w3.org/ns/prov#wasQuotedFrom	postgresql.org