About: http://webisa.webdatacommons.org/291337215

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	As far as the Sony goes I used it to register the device, and also to download books that refuse to download in any browser other than IE.
http://www.w3.org/ns/prov#wasQuotedFrom	mobileread.com