Optimization of single expressions in a relational data base system

  • Authors:
  • P. A. V. Hall

  • Affiliations:
  • British, Ship Research Association, Wallsend, Tyne and Wear, England and United Kingdom Scientific Center, Peterlee, England

  • Venue:
  • IBM Journal of Research and Development
  • Year:
  • 1976

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Abstract

Algorithms for encoding and decoding finite strings over a finite alphabet are described. The coding operations are arithmetic involving rational numbers li as parameters such that Σi2-l i≤2-∈. ...