About: http://webisa.webdatacommons.org/66766415

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	According to one embodiment, techniques such as copy-on-write are used to implement snapshot capabilities for the tiers that do not provide snapshots natively.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com