About: http://webisa.webdatacommons.org/439472289

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	Lock down is a temporary sheltering technique to limit exposure to a shooter or similar threat.
http://www.w3.org/ns/prov#wasQuotedFrom	northwestern.edu