About: http://webisa.webdatacommons.org/151385059

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	s, such as those found at airports, concerts, sporting events, courtrooms, federal buildings, schools and other types of public and private facilities potentially at risk from terrorist attacks.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com