Armstrong relations and strong dependencies
Author affiliations
DOI:
https://doi.org/10.15625/1813-9663/13/3/8001Abstract
In this paper, the concept of strong scheme is introduced. We prove that the membership problem for strong dependencies is solved by an algorithm in polynomial time.We give a necessary and sufficient condition for a relation to be Armstrong relation of a given strong scheme.
Metrics
Metrics Loading ...
Downloads
Published
30-03-2016
How to Cite
[1]
V. Đức Thi, “Armstrong relations and strong dependencies”, JCC, vol. 13, no. 3, p. 89–93, Mar. 2016.
Issue
Section
Computer Science
License
1. We hereby assign copyright of our article (the Work) in all forms of media, whether now known or hereafter developed, to the Journal of Computer Science and Cybernetics. We understand that the Journal of Computer Science and Cybernetics will act on my/our behalf to publish, reproduce, distribute and transmit the Work.2. This assignment of copyright to the Journal of Computer Science and Cybernetics is done so on the understanding that permission from the Journal of Computer Science and Cybernetics is not required for me/us to reproduce, republish or distribute copies of the Work in whole or in part. We will ensure that all such copies carry a notice of copyright ownership and reference to the original journal publication.
3. We warrant that the Work is our results and has not been published before in its current or a substantially similar form and is not under consideration for another publication, does not contain any unlawful statements and does not infringe any existing copyright.
4. We also warrant that We have obtained the necessary permission from the copyright holder/s to reproduce in the article any materials including tables, diagrams or photographs not owned by me/us.
