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Issue No.05 - September/October (2000 vol.12)
pp: 824-844
ABSTRACT
<p><b>Abstract</b>—This paper describes E-DEVICE, an extensible active knowledge base system (KBS) that supports the processing of event-driven, production, and deductive rules into the same active OODB system. E-DEVICE provides the infrastructure for the smooth integration of various declarative rule types, such as production and deductive rules, into an active OODB system that supports low-level event-driven rules only by: 1) mapping each declarative rule into one event-driven rule, offering centralized rule selection control for correct run-time behavior and conflict resolution, and 2) using complex events to map the conditions of declarative rules and monitor the database to incrementally match those conditions. E-DEVICE provides the infrastructure for easily extending the system by adding: 1) new rule types as subtypes of existing ones, and 2) transparent optimizations to the rule matching network. The resulting system is a flexible, yet efficient, KBS that gives the user the ability to express knowledge in a variety of high-level forms for advanced problem solving in data intensive applications.</p>
INDEX TERMS
Knowledge base system, production rules, deductive rules, derived attributes, aggregation, negation, active object-oriented database.
CITATION
Nick Bassiliades, Ioannis Vlahavas, Ahmed K. Elmagarmid, "E-DEVICE: An Extensible Active Knowledge Base System with Multiple Rule Type Support", IEEE Transactions on Knowledge & Data Engineering, vol.12, no. 5, pp. 824-844, September/October 2000, doi:10.1109/69.877511
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