About: http://webisa.webdatacommons.org/208857779

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	I have made some tests on an Oracle system and tried to guess the data types from your description.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com