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S. Koltcov · SciRah

Researcher profile · Semantic Scholar

S. Koltcov

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S. Koltcov — researcher profile on SciRah

h-index: 11
Works: 40
Citations: 779

Most-cited papers

Topic modelling for qualitative studies
S. Nikolenko, S. Koltcov, O. Koltsova
2017Journal of information science323 citations
Semantic Scholar
Mapping the public agenda with topic modeling: The case of the Russian livejournal
O. Koltsova, S. Koltcov
201380 citations
Semantic Scholar
Latent dirichlet allocation: stability and applications to studies of user-generated content
S. Koltcov, O. Koltsova, S. Nikolenko
2014Web Science Conference69 citations
Semantic Scholar
Random forests with parametric entropy-based information gains for classification and regression problems
V. Ignatenko, A. Surkov, S. Koltcov
2024PeerJ Computer Science68 citations Open access
Semantic Scholar
Estimating Topic Modeling Performance with Sharma–Mittal Entropy
S. Koltcov, V. Ignatenko, O. Koltsova
2019Entropy35 citations Open access
Semantic Scholar
Application of Rényi and Tsallis entropies to topic modeling optimization
S. Koltcov
2018Physica A: Statistical Mechanics and its Applications33 citations Open access
Semantic Scholar
Stable Topic Modeling with Local Density Regularization
S. Koltcov, S. Nikolenko, O. Koltsova, Vladimir Filippov +1 more
2016International Conference on Internet Science19 citations
Semantic Scholar
Mining Ethnic Content Online with Additively Regularized Topic Models
M. Apishev, S. Koltcov, O. Koltsova, S. Nikolenko +1 more
2016Journal of Computacion y Sistemas16 citations Open access
Semantic Scholar
Analyzing the Influence of Hyper-parameters and Regularizers of Topic Modeling in Terms of Renyi Entropy
S. Koltcov, V. Ignatenko, Zeyd Boukhers, Steffen Staab
2020Entropy15 citations Open access
Semantic Scholar
Analysis and tuning of hierarchical topic models based on Renyi entropy approach
S. Koltcov, V. Ignatenko, Maxim Terpilovskii, Paolo Rosso
2021PeerJ Computer Science14 citations Open access
Semantic Scholar
Topic models with elements of neural networks: investigation of stability, coherence, and determining the optimal number of topics
S. Koltcov, A. Surkov, Vladimir Filippov, V. Ignatenko
2024PeerJ Computer Science11 citations Open access
Semantic Scholar
Stable topic modeling for web science: granulated LDA
S. Koltcov, S. Nikolenko, O. Koltsova, Svetlana Bodrunova
2016Web Science Conference10 citations
Semantic Scholar
Additive Regularization for Topic Modeling in Sociological Studies of User-Generated Texts
M. Apishev, S. Koltcov, O. Koltsova, S. Nikolenko +1 more
2016Mexican International Conference on Artificial Intelligence10 citations
Semantic Scholar
Detecting Interethnic Relations with the Data from Social Media
O. Koltsova, S. Nikolenko, S. Alexeeva, Oleg Nagornyy +1 more
20179 citations
Semantic Scholar
Communities of co-commenting in the Russian LiveJournal and their topical coherence
O. Koltsova, S. Koltcov, S. Nikolenko
2016Internet Research9 citations
Semantic Scholar
Renormalization Analysis of Topic Models
S. Koltcov, V. Ignatenko
2020Entropy8 citations Open access
Semantic Scholar
A thermodynamic approach to selecting a number of clusters based on topic modeling
S. Koltcov
20178 citations
Semantic Scholar
Echo Chambers vs Opinion Crossroads in News Consumption on Social Media
S. Dokuka, S. Koltcov, O. Koltsova, M. Koltsov
2018International Joint Conference on the Analysis of Images, Social Networks and Texts6 citations
Semantic Scholar
Gibbs sampler optimization for analysis of a granulated medium
S. Koltcov, Sergey I. Nikolenko, E. Koltsova
20166 citations
Semantic Scholar
Do ordinary bloggers really differ from blog celebrities?
O. Koltsova, S. Koltcov, S. Alexeeva
2014Web Science Conference6 citations
Semantic Scholar
Using large language models for extracting and pre-annotating texts on mental health from noisy data in a low-resource language
S. Koltcov, A. Surkov, O. Koltsova, V. Ignatenko
2024PeerJ Computer Science5 citations Open access
Semantic Scholar
Proceedings of the Seventh Workshop on Computational Linguistics and Clinical Psychology: Improving Access
Glorianna Jagfeld, Fiona Lobban, Paul Rayson, S. Jones +496 more
20215 citations Open access
Semantic Scholar
Four Keys to Topic Interpretability in Topic Modeling
A. Mavrin, A. Filchenkov, S. Koltcov
2018Artificial Intelligence and Natural Language5 citations
Semantic Scholar
AGDES: a Python package and an approach to generating synthetic data for differential equation solving with LLMs
V. Zakharov, A. Surkov, S. Koltcov
2025Procedia Computer Science3 citations Open access
Semantic Scholar
Testing Users' Ability to Recognize Fake News in Three Countries. An Experimental Perspective
Victoria Vziatysheva, Yadviga Sinyavskaya, A. Porshnev, Maxim Terpilovskii +2 more
2021Interacción3 citations
Semantic Scholar
STTM: an efficient approach to estimating news impact on stock movement direction
A. Riabykh, D. Surzhko, M. Konovalikhin, S. Koltcov
2022PeerJ Computer Science2 citations Open access
Semantic Scholar
Renormalization Approach to the Task of Determining the Number of Topics in Topic Modeling
S. Koltcov, V. Ignatenko
2020Sai1 citations
Semantic Scholar
Fast Tuning of Topic Models: An Application of Rényi Entropy and Renormalization Theory
S. Koltcov, V. Ignatenko, Sergei Pashakhin
2019Proceedings1 citations Open access
Semantic Scholar
COMMENT-BASED DISCUSSION COMMUNITIES IN THE RUSSIAN LIVEJOURNAL AND THEIR TOPICAL
O. Koltsova, S. Koltcov, S. Nikolenko
20131 citations Open access
Semantic Scholar
Free energy of neural network can predict accuracy after pruning
A. Surkov, S. Koltcov, V. Ignatenko, Rayeesa Mehmood +1 more
2026Physica A: Statistical Mechanics and its Applications0 citations
Semantic Scholar
Improving Differential Equation Solving in Compact Language Models via Activation Steering and Reinforcement Learning
A. Surkov, V. Ignatenko, S. Koltcov
2026Computers, Materials & Continua0 citations Open access
Semantic Scholar
Transformers and State-Space Models: Fine-Tuning Techniques for Solving Differential Equations
V. Ignatenko, A. Surkov, V. Zakharov, S. Koltcov
2025The Scientist0 citations Open access
Semantic Scholar
Modeling Pruning as a Phase Transition: A Thermodynamic Analysis of Neural Activations
Rayeesa Mehmood, S. Koltcov, A. Surkov, V. Ignatenko
2025Computers, Materials & Continua0 citations Open access
Semantic Scholar
Application of Duality Properties of Renyi Entropy for Parameter Tuning in an Unsupervised Machine Learning Task
S. Koltcov
2022International Conference on Applied Informatics0 citations
Semantic Scholar
Following the Lead When Nothing is Certain? Exploring the Image of Russia in Kazakhstani and Ukrainian Digital News Media
A. Prytkova, Sergei Pashakhin, S. Koltcov
2022Communications in Computer and Information Science0 citations
Semantic Scholar
How Many Clusters? An Entropic Approach to Hierarchical Cluster Analysis
S. Koltcov, V. Ignatenko, Sergei Pashakhin
2020Sai0 citations
Semantic Scholar
A thermodynamic approach to selecting a number of clusters based on topic modeling
S. Koltcov
2017Technical Physics Letters0 citations
Semantic Scholar
Gibbs sampler optimization for analysis of a granulated medium
S. Koltcov, S. Nikolenko, E. Koltsova
2016Technical Physics Letters0 citations
Semantic Scholar
WHEN LOCATION DOES NOT MATTER: MEMBERSHIP AND NETWORKING IN ONLINE COMMUNITIES OF SOFTWARE
O. Koltsova, S. Koltcov
20140 citations Open access
Semantic Scholar
4. Data Analysis Approaches, Algorithms and Software 4.1. Related Work and Its Unresolved Problems
O. Koltsova, K. Maslinsky, S. Koltcov
20120 citations
Semantic Scholar

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