Rock & Roll: a Deductive Object-oriented Database System Extended Abstract
نویسندگان
چکیده
Database System Extended Abstract Alvaro A.A. Fernandes, Maria L. Barja, Norman W. Paton, M. Howard Williams, Andrew Dinn, Imara P. Diaz, Alia I. Abdelmoty Department of Computing and Electrical Engineering, Heriot-Watt University Riccarton, Edinburgh EH14 4AS, Scotland, UK e-mail: @cee.hw.ac.uk
منابع مشابه
ROCK & ROLL: A Deductive Object-Oriented Database with Active and Spatial Extensions
ROCK & ROLL is a deductive object-oriented database system that supports two languages, one imperative and the other deductive, both derived from the same object-oriented data model. As the languages share a common type system, they can be integrated without manifesting impedance mismatches, and thus programmers can conveniently exploit both deductive and imperative features in a single applica...
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The demand for spatial information systems has been growing sharply in recent years. Unfortunately, the current state of mainstream database technology has not facilitated the development of spatial information systems that are as eeective, eecient and usable as, e.g., management information systems. Attempts to overcome the limitations that underlie this relative lack of support have tended to...
متن کاملThe Implementation of a Deductive
The ROCK & ROLL database system cleanly integrates deductive and object-oriented capabilities by deening an imperative programming language , ROCK, and a declarative, deductive language, ROLL, over a common object-oriented (OO) data model. Existing techniques for evaluation and optimization of deductive languages fail to address key requirements imposed by ROLL such as: strict typing; placement...
متن کاملDesign and implementation of ROCK & ROLL: a deductive object-oriented database system
This paper presents an approach to the development of a deductive object-oriented database system, describing the key design decisions and their consequences for implementation. The approach is novel, in that it integrates an object-oriented database system manipulated using an imperative programming language (ROCK) with a logic language for expressing queries and methods (ROLL). The integratio...
متن کاملAn Active Rule Language for ROCK & ROLL
This paper presents an active rule language for the ROCK & ROLL deductive object-oriented database system. A characteristic feature of ROCK & ROLL is that it blends imperative and deductive programming styles so that both can be used together in support of passive database applications. The aim in developing an active extension is to allow declarative expression of aspects of active behaviour w...
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تاریخ انتشار 1997