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A vague multivalued data dependency

Author

Listed:
  • Jaydev Mishra

    (College of Engineering and Management)

  • Sharmistha Ghosh

    (Galgotias University)

Abstract

The work in this paper is an application of vague set theory in relational databases. It is well known that integrity constraints like functional dependency, multivalued dependency, etc. play a key role in any database design. In the present work, the authors introduce a new definition of vague multivalued dependency(VMVD), called α-VMVD, on the basis of α-equality of tuples as defined in the recent work on vague functional dependency [1] in 2012. Next, the definition has been shown to be consistent and finally a set of sound and complete inference axioms have been designed and verified for the α-VMVD.

Suggested Citation

  • Jaydev Mishra & Sharmistha Ghosh, 2013. "A vague multivalued data dependency," Fuzzy Information and Engineering, Springer, vol. 5(4), pages 459-473, December.
    • Handle: RePEc:spr:fuzinf:v:5:y:2013:i:4:d:10.1007_s12543-013-0158-9
    DOI: 10.1007/s12543-013-0158-9
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