About: http://webisa.webdatacommons.org/438926462

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	Winer: I think a blog is a publication, and publications have proven that letters to the editor are useful.
http://www.w3.org/ns/prov#wasQuotedFrom	lagtime.com