About: http://webisa.webdatacommons.org/41367275

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	Speakers at the 50th anniversary commemoration of the March on Washington included Presidents Obama and Clinton, Oprah and other public figures and members of the King family. via August 29
http://www.w3.org/ns/prov#wasQuotedFrom	washingtonpost.com