On the number of k-skip-n-grams

05/14/2019

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by   Dmytro Krasnoshtan, et al.

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The paper proves that the number of k-skip-n-grams for a corpus of size L is Ln + n + k' - n^2 - nk'/n·n-1+k'n-1 where k' = (L - n + 1, k).