Subject	Predicate	Object	Graph
po:contains http://www.essepuntato.it/2008/12/pattern#contains	rdfs:comment http://www.w3.org/2000/01/rdf-schema#comment	A structured element contains another generic element. @en	http://www.essepuntato.it/2008/12/pattern# http://www.essepuntato.it/2008/12/pattern#