About: http://webisa.webdatacommons.org/51664514

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	The prepare phase performs tasks such as changing the mark state, the closure phase performs a transifive closure over the heap (the mark phase of a mark-sweep algorithm) and the release phase performs any post-collection steps.
http://www.w3.org/ns/prov#wasQuotedFrom	codehaus.org