About: http://webisa.webdatacommons.org/236545554

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	Piggydb uses JDBC, so it could support other databases such as Oracle, but some features cannot be ported without rewriting the code.
http://www.w3.org/ns/prov#wasQuotedFrom	piggydb.net