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The efficient computation of strong partial transitive-closures

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2 Author(s)
Toroslu, I.H. ; Dept. of Electr. Eng. & Comput. Sci., Northwestern Univ., Evanston, IL, USA ; Qadah, G.Z.

The development of efficient algorithms to process the different forms of transitive-closure queries within the context of large database systems has attracted a large volume of research efforts. The authors present a new algorithm that is suitable for processing one of these forms, the strong partially instantiated query, in which one of the query's arguments is instantiated to a set of constants. The processing of this algorithm yields a set of tuples that draw their values from both of the query's instantiated and uninstantiated arguments. This algorithm avoids the redundant computations and the high storage costs found in a number of similar algorithms

Published in:

Data Engineering, 1993. Proceedings. Ninth International Conference on

Date of Conference:

19-23 Apr 1993

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