PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • They are cheap, all but unbreakable, and can hold up a computer for years without a single complaint. (I started doing this in a situation where flooding was a problem, but quickly realized it is good for dust control too.)
http://www.w3.org/ns/prov#wasQuotedFrom
  • superuser.com