Efficient Query Processing for a Subset of Linear Recursive Binary Rules

  • Authors:
  • K. -C. Guh;C. Yu

  • Affiliations:
  • -;-

  • Venue:
  • IEEE Transactions on Knowledge and Data Engineering
  • Year:
  • 1994

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Abstract

We study the complexity of processing a class of rules called simple binary rule sets. The data referenced by the rules are stored in secondary memory. A necessary and sufficient condition that a simple binary rule set can be processed in a single pass of a file containing the base relations is given. Because not all simple binary rule sets can be processed in a single pass, a necessary and sufficient condition that a simple binary rule set can be processed by a constant number of passes is also given.