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Efficient transitive closure of sparse matrices over closed semirings.

Gerald Penn
Published in: Theor. Comput. Sci. (2006)
Keyphrases
  • transitive closure
  • sparse matrices
  • expressive power
  • first order logic
  • floating point
  • lower bound
  • moving objects
  • np hard
  • query language
  • multi dimensional
  • query evaluation
  • spatial databases