Sketch of the Day: HyperLogLog -- Cornerstone of a Big Data Infrastructure
research.neustar.biz/2012/10/25/sketch-of-the-day-hyperloglog-cornerstone-of-...
Intro In the Zipfian world of AK, the HyperLogLog distinct value (DV) sketch reigns supreme. This DV sketch is the workhorse behind the majority of our DV counters (and we're not alone) and enables...
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