activity
20102025
most citedCatBoost: unbiased boosting with categorical features

1.1k citations · 1.2k across the 27 of their papers we have counts for

collaborators

30 papers

cs.IR2025

Sparse Autoencoders for Sequential Recommendation Models: Interpretation and Flexible Control

Anton Klenitskiy, Konstantin Polev, Daria Denisova +3

Many current state-of-the-art models for sequential recommendations are based on transformer architectures. Interpretation and explanation of such black box models is an important…

cs.LG2025

Simplicial SMOTE: Oversampling Solution to the Imbalanced Learning Problem

Oleg Kachan, Andrey Savchenko, Gleb Gusev

SMOTE (Synthetic Minority Oversampling Technique) is the established geometric approach to random oversampling to balance classes in the imbalanced learning problem, followed by ma…

cs.LG2024

Multimodal Banking Dataset: Understanding Client Needs through Event Sequences

Dzhambulat Mollaev, Alexander Kostin, Maria Postnova +4

Financial organizations collect a huge amount of temporal (sequential) data about clients, which is typically collected from multiple sources (modalities). Despite the urgent pract…

cs.CV2024

TransCAD: A Hierarchical Transformer for CAD Sequence Inference from Point Clouds

Elona Dupont, Kseniya Cherenkova, Dimitrios Mallis +3

3D reverse engineering, in which a CAD model is inferred given a 3D scan of a physical object, is a research direction that offers many promising practical applications. This paper…

cs.CV2023★ 1 cited

SHARP Challenge 2023: Solving CAD History and pArameters Recovery from Point clouds and 3D scans. Overview, Datasets, Metrics, and Baselines

Dimitrios Mallis, Sk Aziz Ali, Elona Dupont +6

Recent breakthroughs in geometric Deep Learning (DL) and the availability of large Computer-Aided Design (CAD) datasets have advanced the research on learning CAD modeling processe…

cs.CV2023

SepicNet: Sharp Edges Recovery by Parametric Inference of Curves in 3D Shapes

Kseniya Cherenkova, Elona Dupont, Anis Kacem +3

3D scanning as a technique to digitize objects in reality and create their 3D models, is used in many fields and areas. Though the quality of 3D scans depends on the technical char…

cs.CV2022★ 1 cited

CADOps-Net: Jointly Learning CAD Operation Types and Steps from Boundary-Representations

Elona Dupont, Kseniya Cherenkova, Anis Kacem +4

3D reverse engineering is a long sought-after, yet not completely achieved goal in the Computer-Aided Design (CAD) industry. The objective is to recover the construction history of…

cs.CL2022★ 1 cited

Towards Computationally Feasible Deep Active Learning

Akim Tsvigun, Artem Shelmanov, Gleb Kuzmin +5

Active learning (AL) is a prominent technique for reducing the annotation effort required for training machine learning models. Deep learning offers a solution for several essentia…

cs.LG2021

Adversarial Attacks on Deep Models for Financial Transaction Records

Ivan Fursov, Matvey Morozov, Nina Kaploukhaya +7

Machine learning models using transaction records as inputs are popular among financial institutions. The most efficient models use deep-learning architectures similar to those in…

cs.CV2021★ 8 cited

PvDeConv: Point-Voxel Deconvolution for Autoencoding CAD Construction in 3D

Kseniya Cherenkova, Djamila Aouada, Gleb Gusev

We propose a Point-Voxel DeConvolution (PVDeConv) module for 3D data autoencoder. To demonstrate its efficiency we learn to synthesize high-resolution point clouds of 10k points th…

cs.CV2020★ 5 cited

SHARP 2020: The 1st Shape Recovery from Partial Textured 3D Scans Challenge Results

Alexandre Saint, Anis Kacem, Kseniya Cherenkova +7

The SHApe Recovery from Partial textured 3D scans challenge, SHARP 2020, is the first edition of a challenge fostering and benchmarking methods for recovering complete textured 3D…

cs.LG2020★ 27 cited

CoLES: Contrastive Learning for Event Sequences with Self-Supervision

Dmitrii Babaev, Ivan Kireev, Nikita Ovsov +4

We address the problem of self-supervised learning on discrete event sequences generated by real-world users. Self-supervised learning incorporates complex information from the raw…

stat.ML2019★ 12 cited

Minimal Variance Sampling in Stochastic Gradient Boosting

Bulat Ibragimov, Gleb Gusev

Stochastic Gradient Boosting (SGB) is a widely used approach to regularization of boosting models based on decision trees. It was shown that, in many cases, random sampling at each…

cs.HC2019

Latent Distribution Assumption for Unbiased and Consistent Consensus Modelling

Valentina Fedorova, Gleb Gusev, Pavel Serdyukov

We study the problem of aggregation noisy labels. Usually, it is solved by proposing a stochastic model for the process of generating noisy labels and then estimating the model par…

cs.LG2019★ 2 cited

Aggregation of pairwise comparisons with reduction of biases

Nadezhda Bugakova, Valentina Fedorova, Gleb Gusev +1

We study the problem of ranking from crowdsourced pairwise comparisons. Answers to pairwise tasks are known to be affected by the position of items on the screen, however, previous…

cs.HC2018★ 4 cited

Online Evaluation for Effective Web Service Development

Roman Budylin, Alexey Drutsa, Gleb Gusev +2

Development of the majority of the leading web services and software products today is generally guided by data-driven decisions based on evaluation that ensures a steady stream of…

cs.CV2018

A survey on Deep Learning Advances on Different 3D Data Representations

Eman Ahmed, Alexandre Saint, Abd El Rahman Shabayek +5

3D data is a valuable asset the computer vision filed as it provides rich information about the full geometry of sensed objects and scenes. Recently, with the availability of both…

cs.LG2017★ 1.1k cited

CatBoost: unbiased boosting with categorical features

Liudmila Prokhorenkova, Gleb Gusev, Aleksandr Vorobev +2

This paper presents the key algorithmic techniques behind CatBoost, a new gradient boosting toolkit. Their combination leads to CatBoost outperforming other publicly available boos…

cs.CL2017

Riemannian Optimization for Skip-Gram Negative Sampling

Alexander Fonarev, Oleksii Hrinchuk, Gleb Gusev +2

Skip-Gram Negative Sampling (SGNS) word embedding model, well known by its implementation in "word2vec" software, is usually optimized by stochastic gradient descent. However, the…

cs.IR2016

User Model-Based Intent-Aware Metrics for Multilingual Search Evaluation

Alexey Drutsa, Andrey Shutovich, Philipp Pushnyakov +3

Despite the growing importance of multilingual aspect of web search, no appropriate offline metrics to evaluate its quality are proposed so far. At the same time, personal language…

cs.IR2016★ 1 cited

Prediction of Video Popularity in the Absence of Reliable Data from Video Hosting Services: Utility of Traces Left by Users on the Web

Alexey Drutsa, Gleb Gusev, Pavel Serdyukov

With the growth of user-generated content, we observe the constant rise of the number of companies, such as search engines, content aggregators, etc., that operate with tremendous…

cs.IR2016

Efficient Rectangular Maximal-Volume Algorithm for Rating Elicitation in Collaborative Filtering

Alexander Fonarev, Alexander Mikhalev, Pavel Serdyukov +2

Cold start problem in Collaborative Filtering can be solved by asking new users to rate a small seed set of representative items or by asking representative users to rate a new ite…

math.OC2016★ 38 cited

Learning Supervised PageRank with Gradient-Based and Gradient-Free Optimization Methods

Lev Bogolubsky, Pavel Dvurechensky, Alexander Gasnikov +5

In this paper, we consider a non-convex loss-minimization problem of learning Supervised PageRank models, which can account for some properties not considered by classical approach…

cs.LG2015

Lower Bounds for Multi-armed Bandit with Non-equivalent Multiple Plays

Aleksandr Vorobev, Gleb Gusev

We study the stochastic multi-armed bandit problem with non-equivalent multiple plays where, at each step, an agent chooses not only a set of arms, but also their order, which infl…