A Model Theory for Generic Schema Management

Abstract The core of a model theory for generic schema management is developed. This theory has two distinctive features: it applies to a variety of categories of schemas, and it applies to transformations of both the schema structure and its integrity constraints. A...

A Categorical Manifesto

Abstract This informal paper tries to motivate the use of category theory in computing science by giving heuristic guidelines for applying five basic categorical concepts: category, functor, natural transformation, adjoint, and co limit. Several examples and some...