About: http://webisa.webdatacommons.org/239337299

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 general, it is not a good idea to suppress the PD attribute, because the extra information, such as comments and processing instructions, could be lost if there is no PD column.
http://www.w3.org/ns/prov#wasQuotedFrom	oracle.com