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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.
This commit is contained in:
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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7
src/probabilistic/Topk.h
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@ -7,8 +7,11 @@
#include "zeek/OpaqueVal.h"
#include "zeek/Val.h"
// This class implements the top-k algorithm. Or - to be more precise - an
// interpretation of it.
// This class implements the Space-Saving algorithm for counting the Topk- elements
// in a datastream as presented in the paper "Efficient Computation of Frequent and
// Top-k Elements in Data Streams", by Metwally et al. (2005).
//
// Or - to be more precise - it implements an interpretation of it.
namespace zeek::detail
{