About: http://webisa.webdatacommons.org/355591233

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	Perrow argued that in certain kinds of systems, catastrophic accidents, while rare, are inevitable.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.co.uk