About: http://webisa.webdatacommons.org/157938135

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	Garbage collectors are a full topic on their own, way beyond the scope of this paper, with techniques such as reference count and mark and sweep to keep track of which objects are still alive.
http://www.w3.org/ns/prov#wasQuotedFrom	timotheegroleau.com