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SQL in the Clouds
Found in: Computing in Science and Engineering
By James L. Johnson
Issue Date:July 2009
pp. 12-28
In a cloud computing context, the MapReduce algorithm comprises two massively parallel operations linked by a generic sorting and data-distribution process. Although this algorithm is the workhorse in most cloud computing strategies, it's a special case of...
Discrete Hodge Theory on Graphs: A Tutorial
Found in: Computing in Science & Engineering
By James L. Johnson,Tom Goldring
Issue Date:September 2013
pp. 42-55
Hodge theory provides a unifying view of the various line, surface, and volume integrals that appear in physics and engineering applications. Hodge theory on graphs develops discrete versions of the differential forms found in the continuous theory and ena...
An only undergraduate course in object-oriented technology
Found in: Proceedings of the twenty-fourth SIGCSE technical symposium on Computer science education (SIGCSE '93)
By James L. Johnson, Martin Osborne
Issue Date:February 1993
pp. 313-317
Performance is a central issue in parallel computing. In this paper, we describe our approach to teaching advanced undergraduates and graduate students about the fundamentals of measuring and analyzing the performance of programs running on a variety of pa...