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Aleksei Ustimenko

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7 papers hereh-index 6211 citations12 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author4
  • middle author2
  • last author1

Across the 7 of 7 papers where every author was matched, so the position is known.

fields
  • cs.LG6
  • cs.IR1
affiliations
  • ShareChat
Homepage
same name
  • Aleksei Ustimenko — 12 papers, h 5

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20202023
most citedUncertainty in Gradient Boosting via Ensembles

34 citations · 45 across the 7 of their papers we have counts for

collaborators
Showing 2022Show all

2 papers · 1 filter

cs.LG2022★ 3 cited

Gradient Boosting Performs Gaussian Process Inference

Aleksei Ustimenko, Artem Beliakov, Liudmila Prokhorenkova

This paper shows that gradient boosting based on symmetric decision trees can be equivalently reformulated as a kernel method that converges to the solution of a certain Kernel Rid…

cs.LG2022★ 1 cited

Which Tricks Are Important for Learning to Rank?

Ivan Lyzhin, Aleksei Ustimenko, Andrey Gulin +1

Nowadays, state-of-the-art learning-to-rank methods are based on gradient-boosted decision trees (GBDT). The most well-known algorithm is LambdaMART which was proposed more than a…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.