A denotational semantics for continuous queries over streams and relations

  • Authors:
  • Arvind Arasu;Jennifer Widom

  • Affiliations:
  • Stanford University;Stanford University

  • Venue:
  • ACM SIGMOD Record
  • Year:
  • 2004

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Abstract

Continuous queries over data streams are an important new class of queries motivated by a number of applications [BBD+02, Geh03, GO03], and several languages for continuous queries have been proposed recently [ABW03, CC+02, CC+03, WZL03]. To date the semantics of these languages have been specified fairly informally, sometimes solely through illustrative examples.