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Add exact name of the Top-k algorithm.

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I needed to figure out which exact algorithm we use for our
probabilistic top-k measurements. It turns out that we do not mention
this in our source tree at all so far.
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Johanna Amann 2022-05-11 13:21:26 +01:00 • committed by Johanna Amann
parent 0aafc8ae6c
commit 25c33d2a29
2 changed files with 10 additions and 2 deletions
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5
scripts/base/frameworks/sumstats/plugins/topk.zeek
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@ -1,4 +1,9 @@
##! Keep the top-k (i.e., most frequently occurring) observations.
##!
##! This plugin uses a probabilistic algorithm to count the top-k elements.
##! The algorithm (calles Space-Saving) is described in the paper Efficient
##! Computation of Frequent and Top-k Elements in Data Streams", by
##! Metwally et al. (2005).
@load base/frameworks/sumstats