About: http://webisa.webdatacommons.org/91376189

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	In other words if you self-published an sold 200 copies it is not worth mentioning in the query letter because it says nothing other than the fact that you can actually complete a book.
http://www.w3.org/ns/prov#wasQuotedFrom	mobileread.com