PREFIX dct: PREFIX dc: PREFIX dbr: PREFIX dbo: PREFIX xsd: PREFIX bb: PREFIX vann: PREFIX meta: PREFIX rdf: PREFIX owl: PREFIX yago: PREFIX org: PREFIX ciox: PREFIX purl: PREFIX foaf: PREFIX rdfs: PREFIX it4it: PREFIX it: PREFIX skos: PREFIX schema: PREFIX dbp: PREFIX ob: PREFIX he: PREFIX ov: PREFIX sh: PREFIX sniko: bb:ReferenceModel a meta:EntityType; bb:page "68"^^xsd:positiveInteger; meta:chapter bb:chapter5-4; meta:isBasedOn bb:Metamodel; rdfs:label "Reference Model"@en, "مدل مرجع"@fa; rdfs:subClassOf bb:Model; skos:altLabel "Model Pattern"@en; skos:closeMatch dbr:Reference_Model; skos:definition "A model is called a reference model for a certain class of systems and a certain class of questions or tasks dealing with these systems, if it provides model patterns supporting • the derivation of more specific models through modifications, limitations, or completions (generic reference models) or • direct comparison of different models with the reference model concerning certain quality aspects of the modeled systems (e.g., completeness, styles of system’s architecture) (nongeneric reference models)."@en.