I.K. Pour, D.J. Krajnovich, et al.
SPIE Optical Materials for High Average Power Lasers 1992
We show that certain monotonic polynomial time queries are not expressible in variants of Datalog. The proof techniques include lower bounds for monotone circuit size and a “Pumping Lemma” for Datalog queries. © 1995 by Academic Press, Inc.
I.K. Pour, D.J. Krajnovich, et al.
SPIE Optical Materials for High Average Power Lasers 1992
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