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DTSTART:20180311T070000
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DTSTART;TZID=America/Toronto:20181210T103000
SEQUENCE:0
TRANSP:TRANSPARENT
DTEND;TZID=America/Toronto:20181210T103000
URL:https://uwaterloo.ca/data-systems-group/events/dsg-seminar-series-algor
 ithms-and-optimizations-incremental
LOCATION:DC - William G. Davis Computer Research Centre 200 University Aven
 ue West 1302 Waterloo ON N2L 3G1 Canada
SUMMARY:DSG Seminar Series • Algorithms and Optimizations for Incremental
 \nWindow-Based Aggregations
CLASS:PUBLIC
DESCRIPTION:Panos K. Chrysanthis [https://panos.cs.pitt.edu]\, University 
 of\nPittsburgh\n\nABSTRACT: Online analytics\, in most advanced scientific
 \, business\, and\ndefense applications\, rely heavily on the efficient ex
 ecution of large\nnumbers of Aggregate Continuous Queries (ACQs). ACQs con
 tinuously\naggregate streaming data and periodically produce results such 
 as max\nor average over a given window of the latest data.  It was shown 
 that\nin processing ACQs it is beneficial to use incremental evaluation\,\
 nwhich involves storing and reusing calculations performed over the\nuncha
 nged parts of the window\, rather than performing the\nre-evaluation of th
 e entire window after each update.
DTSTAMP:20260412T114820Z
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