About: http://webisa.webdatacommons.org/408392070

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	Just a little history lesson for the proper use of the phrase hoist on his on petard.A petard was an engine of war or an explosive device used to blow in a door or gate, breach a wall, etc., according to my dictionary.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com