About: http://webisa.webdatacommons.org/143299164

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	In certain embodiments, a bitmap or other data structure may be implemented to keep a record of tracks on a volume for the purpose of determining whether a track is designated as either local or remote.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com