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"LOA: The LOGIDATA+ Object Algebra."
Umberto Nanni, Silvio Salza, Mario Terranova (1993)
- Umberto Nanni
, Silvio Salza
, Mario Terranova:
LOA: The LOGIDATA+ Object Algebra. LOGIDATA+: Deductive Databases with Complex Objects 1993: 195-210
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