Abstract
Database technology for storing, retrieving, and maintaining models of hardware components is necessitated by the ever-increasing complexity of designs and the design environment. This paper focuses on data representation and sharing for hardware designs specified using different standard description languages. The research offers two basic contributions: (1) a meta-model for organizing related information models is instantiated for electrical CAD modeling (ECAD), with an information model for VHDL as an example, and (2) a methodology for developing semantic mappings between information models is proposed and illustrated. The information models and mappings provide a conceptual schema for database implementation and a basis for automated sharing of information through interfaces defined for heterogeneous data formats.
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