About: http://webisa.webdatacommons.org/148709280

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	Personally I do not really see the issue of using one for a web applications since they are proven to work well and with the right design and caching solution are more than capable of handling a popular website such as Digg or Facebook.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org