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The Lattice of Contact Relations on a Boolean Algebra.

Ivo DüntschMichael Winter
Published in: RelMiCS (2008)
Keyphrases
  • boolean algebra
  • cardinality constraints
  • constraint query languages
  • set theory
  • upper approximation
  • databases
  • gray scale
  • data exchange
  • deductive databases
  • database schema
  • equivalence relation