About: http://webisa.webdatacommons.org/159716803

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 chamber is then cleared of all persons except the secretary, four clerks, and the sergeant-at-arms and such of his assistants as the president deems necessary, all of whom must be sworn to secrecy.
http://www.w3.org/ns/prov#wasQuotedFrom	econlib.org