About: http://webisa.webdatacommons.org/215105182

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	They were attended by President Monroe, John C. Calhoun, Henry Clay, Marquis de Lafayette, and other dignitaries.
http://www.w3.org/ns/prov#wasQuotedFrom	reference.com