A metamodel for describing the semantics of object-oriented data models is presented. This metamodel supports the automatic generation of conceptual database design tool software for a variety of data models. Data modeling is viewed as having three levels of abstraction. The physical database, at the lowest level, stores objects and relationships. Specific data models reside at the middle level. A data model consists of object types and relationship types. The metamodel resides at the highest level and is composed of metaobject types and metarelationship types. To illustrate the utility of the metamodel, the representation of the ORION data model is presented.>

Describes the Data Model Compiler (DMC) project. The goal of the DMC is to generate automatically data-model and application-specific database system software. A component of the DMC, called SeaWeed, automatically generates conceptual database design tool software for specific data models using the software reusability approach. The technique of design reuse is used to derive the requirement specification of the software being generated, and the mechanism of code reuse is adopted to produce the necessary reusable software components. The authors present SeaWeed's software generation paradigm including the derivation of requirement specifications, the formal representation of design reuse, and the implementation and organization of the reusable software component library.>