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Prefix	Namespace IRI
rdfs	http://www.w3.org/2000/01/rdf-schema#
rdf	http://www.w3.org/1999/02/22-rdf-syntax-ns#
n2	http://dbpedia.org/resource/Open/
xsdh	http://www.w3.org/2001/XMLSchema#

Subject Item: n2:closed_principle
rdfs:comment: In object-oriented programming, the open/closed principle states "software entities (classes, modules, functions, etc.) should be open for extension, but closed for modification";that is, such an entity can allow its behaviour to be extended without modifying its source code.