activity
20242026
collaborators

5 papers

cs.IR2026

Sona Technical Report

Sona Team, Alexandr Udeneev, Aleksei Krasilnikov +33

We introduce Sona, a single-model generative recommender for Yandex Music. In an online A/B test, Sona replaced the entire production cascade, comprising more than 15 candidate gen…

cs.LG2025

Excision Score: Evaluating Edits with Surgical Precision

Nikolai Gruzinov, Ksenia Sycheva, Earl T. Barr +1

Many tasks revolve around editing a document, whether code or text. We formulate the revision similarity problem to unify a wide range of machine learning evaluation problems whose…

cs.AI2025

DOoM: Difficult Olympiads of Math

Ilya Kuleshov, Ilin Pavel, Nikolay Kompanets +2

This paper introduces DOoM, a new open-source benchmark designed to assess the capabilities of language models in solving mathematics and physics problems in Russian. The benchmark…

cs.LG2025

The Best of N Worlds: Aligning Reinforcement Learning with Best-of-N Sampling via max@k Optimisation

Farid Bagirov, Mikhail Arkhipov, Ksenia Sycheva +2

The application of Reinforcement Learning with Verifiable Rewards (RLVR) to mathematical and coding domains has demonstrated significant improvements in the reasoning and problem-s…

cs.AI2024

Bayesian-LoRA: LoRA based Parameter Efficient Fine-Tuning using Optimal Quantization levels and Rank Values trough Differentiable Bayesian Gates

Cristian Meo, Ksenia Sycheva, Anirudh Goyal +1

It is a common practice in natural language processing to pre-train a single model on a general domain and then fine-tune it for downstream tasks. However, when it comes to Large L…