About: http://webisa.webdatacommons.org/383708108

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	This is just a guess, but are you just learning Delphi, after a background in some other language where everything is an object?
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com