Sergei Koltcov

PeerJ Author & Reviewer

Summary

Data Science Network Science & Online Social Networks

Past or current institution affiliations

Higher School of Economics

Work details

Professor

Higher School of Economics

Department of Informatics

Principal researcher at Laboratory for Social & Cognitive Informatics and Associate Professor at HSE Campus in St. Petersburg, Department of Mathematics National Research University Higher School of Economics

PeerJ Contributions

Articles 5

November 28, 2024

Using large language models for extracting and pre-annotating texts on mental health from noisy data in a low-resource language

Sergei Koltcov, Anton Surkov, Olessia Koltsova, Vera Ignatenko

https://doi.org/10.7717/peerj-cs.2395

January 3, 2024

Topic models with elements of neural networks: investigation of stability, coherence, and determining the optimal number of topics

Sergei Koltcov, Anton Surkov, Vladimir Filippov, Vera Ignatenko

https://doi.org/10.7717/peerj-cs.1758

January 3, 2024

Random forests with parametric entropy-based information gains for classification and regression problems

Vera Ignatenko, Anton Surkov, Sergei Koltcov

https://doi.org/10.7717/peerj-cs.1775

December 16, 2022

STTM: an efficient approach to estimating news impact on stock movement direction

Aleksei Riabykh, Denis Surzhko, Maxim Konovalikhin, Sergei Koltcov

https://doi.org/10.7717/peerj-cs.1156

July 29, 2021

Analysis and tuning of hierarchical topic models based on Renyi entropy approach

Sergei Koltcov, Vera Ignatenko, Maxim Terpilovskii, Paolo Rosso

https://doi.org/10.7717/peerj-cs.608