Relationships Between Closure Operations and Choice Functions - Equivalent Descriptions of a Family of Functional Dependencies

 Nghia D. Vu1

  Acta Cybernetica 16 (2004) 485-506.

Abstract:

 The family of functional dependencies plays an important role in the relational database. The main goal of this paper is to investigate closure operations and choice functions. They are equivalent descriptions of family of functional dependencies. The main properties of and relationship between closure operations and choice functions are presented in this paper.

Footnotes

 ... Vu Institute of Information Technology of Vietnam, Department of Database Management System, 18 Hoang Quoc Viet, Hanoi, Vietnam, email: nghiavu@cse.buffalo.edu

 Web administrator 2004-09-21