activity
20242026
collaborators

6 papers

cs.LG2026

When Losses Align: Gradient-Based Composite Loss Weighting for Efficient Pretraining

Ivan Karpukhin, Andrey Savchenko

Modern deep models are often pretrained on large-scale data with missing labels using composite objectives, where the relative weights of multiple loss terms act as hyperparameters…

cs.LG2025

HT-Transformer: Event Sequences Classification by Accumulating Prefix Information with History Tokens

Ivan Karpukhin, Andrey Savchenko

Deep learning has achieved remarkable success in modeling sequential data, including event sequences, temporal point processes, and irregular time series. Recently, transformers ha…

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.LG2024

Detecting the Future: All-at-Once Event Sequence Forecasting with Horizon Matching

Ivan Karpukhin, Andrey Savchenko

Long-horizon events forecasting is a crucial task across various domains, including retail, finance, healthcare, and social networks. Traditional models for event sequences often e…

cs.CL2024

ESQA: Event Sequences Question Answering

Irina Abdullaeva, Andrei Filatov, Mikhail Orlov +6

Event sequences (ESs) arise in many practical domains including finance, retail, social networks, and healthcare. In the context of machine learning, event sequences can be seen as…

cs.LG2024

HoTPP Benchmark: Are We Good at the Long Horizon Events Forecasting?

Ivan Karpukhin, Foma Shipilov, Andrey Savchenko

Forecasting multiple future events within a given time horizon is essential for applications in finance, retail, social networks, and healthcare. Marked Temporal Point Processes (M…