SENTIMENT ANALYSIS OF TEXTS USING RECURRENT NEURAL NETWORKS OF THE TRANSFORMER ARCHITECTURE

Main Article Content

Yaroslav Lashyn
Oleksandr Trofymchuk
Serhii Zabolotnyi
Oleksandr Voitko
Eurico Seabra

Abstract

This study focuses on the automated process of determining sentiment (emotional coloring) in text messages from Telegram channels to enhance Ukraine’s information security. The principal challenge addressed lies in the need for rapid and accurate detection of negative, positive, or neutral messages within large-scale data streams without additional fine-tuning on local datasets. The essence of the results obtained is the implementation of a zero-shot classification approach, based on the multilingual transformer model XLM-RoBERTa, which in the experiment yielded the following metrics: Accuracy = 0.4718, Precision = 0.7138, Recall = 0.4718, and F1 Score = 0.5044. Owing to the model’s strong ability to generalize lexico-semantic patterns, a stable compromise between Precision and Recall was achieved, thereby increasing the efficiency of message analysis in large data volumes. These results are explained by the architectural features of XLM-RoBERTa, primarily its multilingual nature and deep layer structure, which enable proper handling of multilingual texts without dedicated local training. Conclusions. The proposed approach is advisable when there is a large, diverse corpus of data requiring prompt detection of potential negative informational influences and timely counteraction. Practically, this significantly reduces the time spent on manual monitoring of the information space and eases the burden on analysts, thereby strengthening the ability of organizations or information security units to respond rapidly to destructive content. The research results can also be integrated into decision support systems, serving as a foundation for the development of software solutions aimed at monitoring the information space.

Article Details

How to Cite
Lashyn , Y. ., Trofymchuk , O. ., Zabolotnyi , S. ., Voitko , O. ., & Seabra, E. . (2025). SENTIMENT ANALYSIS OF TEXTS USING RECURRENT NEURAL NETWORKS OF THE TRANSFORMER ARCHITECTURE. Advanced Information Systems, 9(3), 91–101. https://doi.org/10.20998/2522-9052.2025.3.11
Section
Intelligent information systems
Author Biographies

Yaroslav Lashyn , National Defence University of Ukraine, Kyiv, Ukraine

Adjunct of Strategic Communications Institute

Oleksandr Trofymchuk , Institute of Telecommunications and Global Information Space of the National Academy of Sciences of Ukraine, Kyiv, Ukraine

Doctor of Technical Sciences, Professor, Director

Serhii Zabolotnyi , Institute of Telecommunications and Global Information Space of the National Academy of Sciences of Ukraine, Kyiv, Ukraine

PhD student, Institute of Telecommunications and Global Information Space of the National Academy of Sciences of Ukraine, Kyiv, Ukraine;
Chief of Staff – Deputy Commandant, National Defence University of Ukraine, Kyiv, Ukraine

Oleksandr Voitko , National Defence University of Ukraine, Kyiv, Ukraine

Candidate of Military Sciences, Associate Professor, Chief of Strategic Communications Institute

Eurico Seabra, University of Minho, Braga, Portugal

PhD (Machines and Mechanisms), Professor, Mechanical Enginnering Department

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