Efficient Estimation of Inclusion Coefficient using HyperLogLog Sketches

PROCEEDINGS OF THE VLDB ENDOWMENT, pp. 1097-1109, 2018.

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Abstract:

Efficiently estimating the inclusion coefficient - the fraction of values of one column that are contained in another column - is useful for tasks such as data profiling and foreign-key detection. We present a new estimator, BML, for inclusion coefficient based on Hyperloglog sketches that results in significantly lower error compared to ...More

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