About: http://webisa.webdatacommons.org/14996825

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 a paid two-page ad in the New York Times on Sunday, more than 900 writers including Stephen King and John Grisham wrote a letter to readers criticizing Amazon.
http://www.w3.org/ns/prov#wasQuotedFrom	siliconbeat.com