{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,23]],"date-time":"2025-12-23T05:31:56Z","timestamp":1766467916682,"version":"3.41.2"},"reference-count":33,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2024,9,11]],"date-time":"2024-09-11T00:00:00Z","timestamp":1726012800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Artif. Intell."],"abstract":"<jats:p>In the digital age, rapid dissemination of information has elevated the challenge of distinguishing between authentic news and disinformation. This challenge is particularly acute in regions experiencing geopolitical tensions, where information plays a pivotal role in shaping public perception and policy. The prevalence of disinformation in the Ukrainian-language information space, intensified by the hybrid war with russia, necessitates the development of sophisticated tools for its detection and mitigation. Our study introduces the \u201cOnline Learning with Sliding Windows for Text Classifier Ensembles\u201d (OLTW-TEC) method, designed to address this urgent need. This research aims to develop and validate an advanced machine learning method capable of dynamically adapting to evolving disinformation tactics. The focus is on creating a highly accurate, flexible, and efficient system for detecting disinformation in Ukrainian-language texts. The OLTW-TEC method leverages an ensemble of classifiers combined with a sliding window technique to continuously update the model with the most recent data, enhancing its adaptability and accuracy over time. A unique dataset comprising both authentic and fake news items was used to evaluate the method\u2019s performance. Advanced metrics, including precision, recall, and F1-score, facilitated a comprehensive analysis of its effectiveness. The OLTW-TEC method demonstrated exceptional performance, achieving a classification accuracy of 93%. The integration of the sliding window technique with a classifier ensemble significantly contributed to the system\u2019s ability to accurately identify disinformation, making it a robust tool in the ongoing battle against fake news in the Ukrainian context. The application of the OLTW-TEC method highlights its potential as a versatile and effective solution for disinformation detection. Its adaptability to the specifics of the Ukrainian language and the dynamic nature of information warfare offers valuable insights into the development of similar tools for other languages and regions. OLTW-TEC represents a significant advancement in the detection of disinformation within the Ukrainian-language information space. Its development and successful implementation underscore the importance of innovative machine learning techniques in combating fake news, paving the way for further research and application in the field of digital information integrity.<\/jats:p>","DOI":"10.3389\/frai.2024.1401126","type":"journal-article","created":{"date-parts":[[2024,9,11]],"date-time":"2024-09-11T05:11:07Z","timestamp":1726031467000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":2,"title":["OLTW-TEC: online learning with sliding windows for text classifier ensembles"],"prefix":"10.3389","volume":"7","author":[{"given":"Khrystyna","family":"Lipianina-Honcharenko","sequence":"first","affiliation":[]},{"given":"Yevgeniy","family":"Bodyanskiy","sequence":"additional","affiliation":[]},{"given":"Nataliia","family":"Kustra","sequence":"additional","affiliation":[]},{"given":"Andrii","family":"Ivasechk\u043e","sequence":"additional","affiliation":[]}],"member":"1965","published-online":{"date-parts":[[2024,9,11]]},"reference":[{"year":"2022","author":"Afanasieva","key":"ref1"},{"key":"ref2","doi-asserted-by":"publisher","first-page":"100053","DOI":"10.1016\/j.nlp.2024.100053","article-title":"Identifying hidden patterns of fake COVID-19 news: an in-depth sentiment analysis and topic modeling approach","volume":"6","author":"Ahammad","year":"2024","journal-title":"Nat. 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