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An algebraic language for graphical query formulation using an extended entity-relationship model.

Bogdan D. CzejdoRamez ElmasriMarek RusinkiewiczDavid W. Embley
Published in: ACM Conference on Computer Science (1987)
Keyphrases
  • query formulation
  • conceptual model
  • databases
  • high level
  • software engineering
  • metamodel
  • object model