About: http://webisa.webdatacommons.org/19845084

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	My guess looking at the examples above are a new version, the blogosphere, adding viral tools such as Digg did in February 2006, or getting purchased, such as Flick above.
http://www.w3.org/ns/prov#wasQuotedFrom	blogs.com