About: http://webisa.webdatacommons.org/79250544

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	My previously mentioned applications and patents describe a personal ???Panic Button???, to be used by teachers or other personnel who may need to alert security personnel during an emergency.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr