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      A Framework for the Specification of Active Rule Language Semantics

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      Proceedings of the Fifth International Workshop on Database Programming Languages (DBPL-5)

      Database Programming Languages

      6-8 September 1995

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          Abstract

          We present a formal framework that can be used to specify and study a number of different semantics for rule execution in active databases. We shall consider the core of several active rule languages that are already available (e.g., Ariel, Starburst and HiPAC) but whose rule execution is specified only by informal descriptions. The framework is based on a generic active rule language and relies on a transaction rewriting technique. This technique takes a user defined transaction, which is viewed as a sequence of basic database updates forming a semantic unit, and translates it into a new transaction that explicitly includes the additional updates due to active rule triggering. We show that this framework provides a basis for the theoretical analysis and the comparison of different execution models of active rules. Moreover, it allows us to formally investigate a number of important issues related to active rule processing, such as transaction equivalence, confluence and optimization, independently of a specific rule executionmodel.

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          Most cited references 7

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          The HiPAC project: combining active databases and timing constraints

           R. Jauhari,  M. Carey,  M Livny (1988)
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            Rule condition testing and action execution in Ariel

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              The architecture of an active database management system

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                Author and article information

                Contributors
                Conference
                September 1995
                September 1995
                : 1-8
                Affiliations
                Imperial College, Department of Computing

                180 Queen’s Gate – London SW7 2BZ, UK
                Università di Roma Tre, c/o IASI–CNR

                Viale Manzoni, 30 – 00185 Roma, Italy.
                Article
                10.14236/ewic/DBPL1995.22
                © Danilo Montesi et al. Published by BCS Learning and Development Ltd. Proceedings of the Fifth International Workshop on Database Programming Languages, Gubbio, Umbria, Italy

                This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

                Proceedings of the Fifth International Workshop on Database Programming Languages
                DBPL-5
                5
                Gubbio, Umbria, Italy
                6-8 September 1995
                Electronic Workshops in Computing (eWiC)
                Database Programming Languages
                Product
                Product Information: 1477-9358BCS Learning & Development
                Self URI (journal page): https://ewic.bcs.org/
                Categories
                Electronic Workshops in Computing

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