About: http://webisa.webdatacommons.org/81965943

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	After prayers, hymns, and other speeches, Senator Barack Obama, a Democratic presidential candidate, delivered the keynote speech at a???
http://www.w3.org/ns/prov#wasQuotedFrom	c-span.org