About: http://webisa.webdatacommons.org/376789368

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	Or you may be able to settle for a single computer running Linux with a couple external firewire disks on which you can save files with diff-backup periodically so your external drives are your backups and your system is a file server.
http://www.w3.org/ns/prov#wasQuotedFrom	serverfault.com