Technical Report CS0571

TR#:CS0571
Class:CS
Title: The Data Reduction Paradigm for Parallelization in Knowledge Bases
Authors: Ouri Wolfson
PDFCS0571.pdf
Abstract: We introduce a paradigm, called data-reduction, for the parallel evaluation of a general datalog program. Several parallelization strategies discussed previously in [CW, GST, W, WS] are special cases of this paradigm. The paradigm parallelizes the evaluation by partitioning the instantiations of the rules of the program among the processors. After presenting the paradigm, we discuss the following issues, that we see fundamental for parallelization strategies derived from the paradigm:, properties of the strategieS that enable reduction in communication overhead, load balancing, and application to programs with negation.
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