About: http://webisa.webdatacommons.org/209937193

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	then relative, but mainly to supply a content for absolute and other positioned elements;
http://www.w3.org/ns/prov#wasQuotedFrom	codingforums.com