Sergei Koltsov

According to our database, Sergei Koltsov authored at least 26 papers between 2013 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

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

PeerJ Comput. Sci., 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

PeerJ Comput. Sci., 2024

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

Vera Ignatenko, Anton Surkov, Sergei Koltcov

PeerJ Comput. Sci., 2024

2022

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

Aleksei Riabykh, Denis Surzhko, Maxim Konovalikhin, Sergei Koltcov

PeerJ Comput. Sci., 2022

Application of Duality Properties of Renyi Entropy for Parameter Tuning in an Unsupervised Machine Learning Task.

Sergei Koltcov

Proceedings of the Applied Informatics: 5th International Conference, 2022

2021

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

Sergei Koltcov, Vera Ignatenko, Maxim Terpilovskii, Paolo Rosso

PeerJ Comput. Sci., 2021

Testing Users' Ability to Recognize Fake News in Three Countries. An Experimental Perspective.

Victoria Vziatysheva, Yadviga Sinyavskaya, Alexander Porshnev, Maxim Terpilovskii, Sergei Koltcov, Kirill Bryanov

Proceedings of the Social Computing and Social Media: Experience Design and Social Network Analysis, 2021

2020

Analyzing the Influence of Hyper-parameters and Regularizers of Topic Modeling in Terms of Renyi Entropy.

Sergei Koltcov, Vera Ignatenko, Zeyd Boukhers, Steffen Staab

Entropy, 2020

Renormalization Analysis of Topic Models.

Sergei Koltcov, Vera Ignatenko

Entropy, 2020

How Many Clusters? An Entropic Approach to Hierarchical Cluster Analysis.

Sergei Koltcov, Vera Ignatenko, Sergei Pashakhin

Proceedings of the Intelligent Computing, 2020

Renormalization Approach to the Task of Determining the Number of Topics in Topic Modeling.

Sergei Koltcov, Vera Ignatenko

Proceedings of the Intelligent Computing, 2020

2019

Estimating Topic Modeling Performance with Sharma-Mittal Entropy.

Sergei Koltcov, Vera Ignatenko, Olessia Koltsova

Entropy, 2019

2018

A Full-Cycle Methodology for News Topic Modeling and User Feedback Research.

Sergei Koltsov, Sergei Pashakhin, Sofia Dokuka

Proceedings of the Social Informatics, 2018

Echo Chambers vs Opinion Crossroads in News Consumption on Social Media.

Sofia Dokuka, Sergei Koltcov, Olessia Koltsova, Maxim Koltsov

Proceedings of the Analysis of Images, Social Networks and Texts, 2018

2017

Topic modelling for qualitative studies.

Sergey I. Nikolenko, Sergei Koltcov, Olessia Koltsova

J. Inf. Sci., 2017

When Internet Really Connects Across Space: Communities of Software Developers in Vkontakte Social Networking Site.

Olessia Koltsova, Sergei Koltsov, Yadviga Sinyavskaya

Proceedings of the Social Informatics, 2017

2016

Communities of co-commenting in the Russian LiveJournal and their topical coherence.

Olessia Koltsova, Sergei Koltcov, Sergey I. Nikolenko

Internet Res., 2016

Mining Ethnic Content Online with Additively Regularized Topic Models.

Murat Apishev, Sergei Koltcov, Olessia Koltsova, Sergey I. Nikolenko, Konstantin V. Vorontsov

Computación y Sistemas, 2016

Stable topic modeling for web science: granulated LDA.

Sergei Koltsov, Sergey I. Nikolenko, Olessia Koltsova, Svetlana Bodrunova

Proceedings of the 8th ACM Conference on Web Science, 2016

Additive Regularization for Topic Modeling in Sociological Studies of User-Generated Texts.

Murat Apishev, Sergei Koltcov, Olessia Koltsova, Sergey I. Nikolenko, Konstantin V. Vorontsov

Proceedings of the Advances in Computational Intelligence, 2016

Stable Topic Modeling with Local Density Regularization.

Sergei Koltcov, Sergey I. Nikolenko, Olessia Koltsova, Vladimir Filippov, Svetlana Bodrunova

Proceedings of the Internet Science - Third International Conference, 2016

2015

9th Russian Summer School in Information Retrieval (RuSSIR 2015).

Pavel Braslavski, Ilya Markov, Panos M. Pardalos, Yana Volkovich, Sergei Koltsov, Olessia Koltsova, Dmitry I. Ignatov

SIGIR Forum, 2015

2014

Do ordinary bloggers really differ from blog celebrities?

Olessia Koltsova, Sergei Koltsov, Svetlana Alexeeva

Proceedings of the ACM Web Science Conference, 2014

Latent dirichlet allocation: stability and applications to studies of user-generated content.

Sergei Koltsov, Olessia Koltsova, Sergey I. Nikolenko

Proceedings of the ACM Web Science Conference, 2014

Общественное мнение онлайн: сравнение структуры и тематики постов «обычных» и «популярных» блогеров Живого Журнала (Vox Populi Online: The Comparison of Posts' Structure and Topics Among the "Regular" and "Popular" Bloggers on LiveJournal).

Svetlana Alexeeva, Olessia Koltsova, Sergei Koltsov

Proceedings of the Supplementary Proceedings of the 3rd International Conference on Analysis of Images, 2014

2013

Interval Semi-supervised LDA: Classifying Needles in a Haystack.

Svetlana Bodrunova, Sergei Koltsov, Olessia Koltsova, Sergey I. Nikolenko, Anastasia Shimorina

Proceedings of the Advances in Artificial Intelligence and Its Applications, 2013