H. V. Jagadish, Thursday 26 November 1992: DATABASE

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1 total messages Started by Veronica Archibald Wed, 11 Nov 1992 15:40

#289

Author: Veronica Archibald
Date: Wed, 11 Nov 1992 15:40

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           Department of Computer Science, University of Toronto
         (SF = Sandford Fleming Building, 10 King's College Road)

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                                 DATABASE
              SF1105, at 2:00 p.m., Thursday 26 November 1992

                              H. V. Jagadish
                              AT&T Bell Labs

      "COMPOSE:  A Composite Event Specification & Detection System"

COMPOSE is a composite event specification & detection system.  By
establishing an equivalence between the COMPOSE specification model and
regular expressions, we are able to implement composite event detection by
finite automata.

I will discuss the utility of composite events in an active database, and
the interactions between triggers and the transaction management system.  I
will briefly mention the relationship between datalog and event
expressions.  Finally, I will introduce "event oriented programming" as a
new weapon in our battle against software complexity.

Work done jointly, in large part, with one or more of N. Gehani, I.S.
Mumick, and O. Shmueli.

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