Sergei Koltcov

19 papers Misc 1Journal 12Unranked 6
YearRankTypeTitle / Venue / Authors
2024 J jnl
Random forests with parametric entropy-based information gains for classification and regression problems.
PeerJ Comput. Sci.
Vera Ignatenko, Anton Surkov, Sergei Koltcov
2024 J jnl
Topic models with elements of neural networks: investigation of stability, coherence, and determining the optimal number of topics.
PeerJ Comput. Sci.
Sergei Koltcov, Anton Surkov, Vladimir Filippov, Vera Ignatenko
2024 J jnl
Using large language models for extracting and pre-annotating texts on mental health from noisy data in a low-resource language.
PeerJ Comput. Sci.
Sergei Koltcov, Anton Surkov, Olessia Koltsova, Vera Ignatenko
2022 — conf
Application of Duality Properties of Renyi Entropy for Parameter Tuning in an Unsupervised Machine Learning Task.
ICAI
Sergei Koltcov
2022 J jnl
STTM: an efficient approach to estimating news impact on stock movement direction.
PeerJ Comput. Sci.
Aleksei Riabykh, Denis Surzhko, Maxim Konovalikhin, Sergei Koltcov
2021 J jnl
Analysis and tuning of hierarchical topic models based on Renyi entropy approach.
CoRR
Sergei Koltcov, Vera Ignatenko, Maxim Terpilovskii, Paolo Rosso
2021 J jnl
Analysis and tuning of hierarchical topic models based on Renyi entropy approach.
PeerJ Comput. Sci.
Sergei Koltcov, Vera Ignatenko, Maxim Terpilovskii, Paolo Rosso
2021 — conf
Testing Users' Ability to Recognize Fake News in Three Countries. An Experimental Perspective.
HCI (13)
Victoria Vziatysheva, Yadviga Sinyavskaya, Alexander Porshnev, Maxim Terpilovskii, Sergei Koltcov, Kirill Bryanov
2020 J jnl
Analyzing the Influence of Hyper-parameters and Regularizers of Topic Modeling in Terms of Renyi Entropy.
Entropy
Sergei Koltcov, Vera Ignatenko, Zeyd Boukhers, Steffen Staab
2020 — conf
How Many Clusters? An Entropic Approach to Hierarchical Cluster Analysis.
SAI (3)
Sergei Koltcov, Vera Ignatenko, Sergei Pashakhin
2020 J jnl
Renormalization Analysis of Topic Models.
Entropy
Sergei Koltcov, Vera Ignatenko
2020 — conf
Renormalization Approach to the Task of Determining the Number of Topics in Topic Modeling.
SAI (1)
Sergei Koltcov, Vera Ignatenko
2019 J jnl
Estimating Topic Modeling Performance with Sharma-Mittal Entropy.
Entropy
Sergei Koltcov, Vera Ignatenko, Olessia Koltsova
2018 Misc conf
Echo Chambers vs Opinion Crossroads in News Consumption on Social Media.
AIST
Sofia Dokuka, Sergei Koltcov, Olessia Koltsova, Maxim Koltsov
2017 J jnl
Topic modelling for qualitative studies.
J. Inf. Sci.
Sergey I. Nikolenko, Sergei Koltcov, Olessia Koltsova
2016 — conf
Additive Regularization for Topic Modeling in Sociological Studies of User-Generated Texts.
MICAI (1)
Murat Apishev, Sergei Koltcov, Olessia Koltsova, Sergey I. Nikolenko, Konstantin V. Vorontsov
2016 J jnl
Communities of co-commenting in the Russian LiveJournal and their topical coherence.
Internet Res.
Olessia Koltsova, Sergei Koltcov, Sergey I. Nikolenko
2016 J jnl
Mining Ethnic Content Online with Additively Regularized Topic Models.
Computación y Sistemas
Murat Apishev, Sergei Koltcov, Olessia Koltsova, Sergey I. Nikolenko, Konstantin V. Vorontsov
2016 — conf
Stable Topic Modeling with Local Density Regularization.
INSCI
Sergei Koltcov, Sergey I. Nikolenko, Olessia Koltsova, Vladimir Filippov, Svetlana Bodrunova