About: http://webisa.webdatacommons.org/170189666

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	The ricin letters addressed to public officials, including the President, last week allegedly came from an individual who may have been mentally disturbed.
http://www.w3.org/ns/prov#wasQuotedFrom	time.com