About: http://webisa.webdatacommons.org/293717806

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	Of course, there is an option of some sed-awk magic before triggering COPY command, if needed.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com