About: http://webisa.webdatacommons.org/224730778

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	That sky marshalls, who are present on less than 10% of all flights, are a good solution to hijacking, but armed pilots, who would be present on every flight, are not.
http://www.w3.org/ns/prov#wasQuotedFrom	michaelzwilliamson.com