Soundness of Inference Rules for New Vague Multivalued Dependencies

Abstract

In the present paper we give a new definition of vague multivalued dependencies in database relations. The definition is based on application of arbitrary similarity measure on vague values, which is known to be reflexive, symmetric, and max-min transitive. The definition is adapted in order to include the imprecise and precise vague multivalued dependencies. The inference rules for new vague multivalued dependencies are listed, and are shown to be sound.