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View all- Guzzo ASaccà D(2018)Semi-Inflationary DATALOG: A declarative database language with procedural featuresAI Communications10.5555/1218852.121885418:2(79-92)Online publication date: 26-Dec-2018
Datalog, a database query language based on the logic programming paradigm, is described. The syntax and semantics of Datalog and its use for querying a relational database are presented. Optimization methods for achieving efficient evaluations of ...
A ‘functional’ query is a query whose answer is always defined and unique i.e. it is either true or false in all models. It has been shown that the expressive powers of the various types of stable models, when restricted to the class of DATALOG¬ ...
Supporting aggregates in recursive logic rules represents a very important problem for Datalog. To solve this problem, we propose a simple extension, called DatalogFS(Datalog extended with frequency support goals), that supports queries and reasoning ...
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