www.entitymodelling.org - entity modelling introduced from first principles - relational database design theory and practice - dependent type theory
This perspective is a philosophical introduction to the subject of entity modelling. It can safely be skipped but the nub of it is that entity modelling is a new spin on an ancient discipline. The subject is technical but metaphysics and the concept of concept lurk in the background and give perspective.
According to Jonathan Culler1, Saussure, founding modern linguistics in the early part of the 20th century, addressed a question regarding systematically coming to terms with a complex world with a reply that included the view that
Entity models can be conceptual or physical ... or somewhere in-between. Appropriately physical entity models are pretty much the same thing as Information System's data models and hence data modelling, at least as written of here, is a special case of entity modelling. We try to approach it from first principles and sometimes, take heed, this requires terminological deviation from the norm. Whatever the kind of entity model because entity modelling is about describing things it inevitably provides