
This paper describes the formalisation of the deductive object-oriented database system ROCK & ROLL. This is a system which integrates the deductive and object-oriented paradigms in a way that is both clean and consistent, and that has a sound theoretical foundation. The system uses a formally defined object-oriented data model as a foundation for both a logic query language and an imperative data manipulation language in such a way that impedance mismatches are minimised. This paper introduces the facilities offered by ROCK & ROLL, and indicates how their formalisation has been achieved. © 1997 Elsevier Science B.V.
Deductive databases, Object-oriented databases, Programming language semantics, Logic programming
Deductive databases, Object-oriented databases, Programming language semantics, Logic programming
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