About: http://webisa.webdatacommons.org/410984816

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	During previous conventions, security officials created multiple checkpoints, fences or other barriers that vehicles and pedestrians had to navigate to reach the heart of the convention area.
http://www.w3.org/ns/prov#wasQuotedFrom	tbo.com