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    Syntactic characterizations of 1-bounded datalog

    Wood, Peter (1991) Syntactic characterizations of 1-bounded datalog. In: Delobel, C. and Kifer, M. and Masunaga, Y. (eds.) DOOD 91: Deductive and Object-Oriented Databases. Lecture Notes in Computer Science 566. Springer, pp. 208-225. ISBN 9783540550150.

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    We identify a number of simple, syntactic properties of recursive subgoals in linear single-rule and two-rule Datalog programs. These properties can be recognized in linear time and provide a sufficient condition for uniform 1-boundedness of single-rule programs. They can also be used to characterize both uniform 1-boundedness for single-rule programs and 1-boundedness for two-rule programs, when the programs belong to certain classes studied previously for the problem of boundedness. In addition, we provide an exact characterization for 1-boundedness of two-rule programs in which no EDB predicate is repeated in the recursive rule.


    Item Type: Book Section
    School: School of Business, Economics & Informatics > Computer Science and Information Systems
    Depositing User: Sarah Hall
    Date Deposited: 25 Oct 2021 14:32
    Last Modified: 25 Oct 2021 14:32


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