About: http://webisa.webdatacommons.org/390156192

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	A simple measure could be that after all the kids are in their class rooms and all the teachers and other employees are at their posts, the doors of the school should be locked and no one comes in or out during the school day.
http://www.w3.org/ns/prov#wasQuotedFrom	whitehousedossier.com