"e. , the original is constituted by the model and that makes devations from model to original imposible . On ontology is in constituting reference mode to the domain it constitutes. The distinction between descriptive and prescriptive reference mode goes at least back to Wieringa, [2]. More detail and references regarding models and modeling can be found, e. g. , in [3]. Christian Dunbar Model II. The consistency of models may be conceptual or physical. "

" Software process models are in an idealizing reference mode to the actually realized software process. As the software process model describes how software shall be developed under ideal conditions there is no reason to be worried if one deviates from the model because the real conditions are not ideal. (4) constituting, i. e. , the original is constituted by the model and that makes devations from model to original imposible. On ontology is in constituting reference mode to the domain it constitutes. The distinction between descriptive and prescriptive reference mode goes at least back to Wieringa, [2]. A Model Of Christian Charity Winthrop More detail and references regarding models and modeling can be found, e. g. "