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http://users.utcluj.ro/~raluca/rdf_ontologies_ralu/ralu_modified_ontology_pizzas2_0# link to namespace URI +1+1

http://www.semanticweb.org/ontologies/2010/6/Ontology1279614123500.owl# link to namespace URI +1+1

http://users.utcluj.ro/~raluca/foaf_ralu/foaf_ralu# link to namespace URI +1+1

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