1. Enriched conceptualization of subtyping / Terry Halpin -- 2. Essential, mandatory, and shared parts in conceptual data models / Alessandro Artale, C. Maria Keet -- 3. Extending the ORM conceptual schema language and design procedure with modeling constructs for capturing the domain ontology /...

Introduction -- The role of enterprise architecture -- A conceptual framework for principles -- Architecture principle specifications -- A practical approach -- Case studies -- Architecture principles in context -- Summary, conclusions and future work -- Principles catalogue -- Architecture...