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DAGSTUHL
2004
13 years 6 months ago
An Example for Metamodeling Syntax and Semantics of Two Languages, their Transformation, and a Correctness Criterion
We study a metamodel for the Entity Relationship (ER) and the Relational data model. We do this by describing the syntax of the ER data model by introducing classes for ER schemata...
Martin Gogolla
ER
2004
Springer
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13 years 10 months ago
Reachability Problems in Entity-Relationship Schema Instances
Abstract. Recent developments in reification of ER schemata include automatic generation of webbased database administration systems [1,2]. These systems enforce the schema cardin...
Sebastiano Vigna