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Minimizingunnecessary taxaudits usingmulti-objectivehyperparameter tuningof XGBoost with focalloss Malashin Ivan P.Masich Igor S.Tynchenko Vadim S.2025 год

Minimizing unnecessary tax audits using multi-objective hyperparameter tuning of XGBoost with focal loss : научное издание
статья из журнала

Дополнительные ссылки: eLibrary
База данных: Каталог библиотеки СФУ
Библиографическое описание: Minimizing unnecessary tax audits using multi-objective hyperparameter tuning of XGBoost with focal loss : научное издание / Ivan P. Malashin, Igor S. Masich, Vadim S. Tynchenko [и др.]. - Текст : непосредственный // Frontiers in Artificial Intelligence. - 2025. - Т. 8, № . - С. 1669191. - ISSN 2624-8212, DOI 10.3389/frai.2025.1669191.
Аннотация: <jats:p>This study presents a machine learning (ML) approach for detecting non-compliance in companies' tax data. The dataset, consisting of over one million records, focuses on three key targets: invalid addresses, invalid director information, and invalid founder information. The analysis prioritizes young companies (≤ 3 years old) with fewer than 100 employees, thereby improving class distributions and model effectiveness. A combination of binary classification techniques was employed, including benchmarked supervised learning models (XGBoost, Random Forest), anomaly detection methods (LOF, Isolation Forest), and semi-supervised learning using deep neural networks (DNNs) with unlabeled data. Given its computational efficiency, XGBoost was selected as the primary model. However, class imbalance persisted even among young companies, necessitating the integration of focal loss to improve classification performance. To further enhance accuracy while maintaining model interpretability, NSGA-II (Non-dominated Sorting Genetic Algorithm II) was used for multi-objective hyperparameter optimization of XGBoost. The objectives were to maximize ROC-AUC for improved predictive performance and minimize the number of trees to enhance interpretability. The optimized model achieved a ROC-AUC of 0.9417, compared to 0.9161 without optimization, demonstrating the effectiveness of this approach. Additionally, SHAP analysis provided insights into key factors influencing non-compliance, supporting explainability and aiding regulatory decision-making. This methodology contributes to fair and efficient oversight by reducing unnecessary inspections, minimizing disruptions to compliant businesses, and improving the overall effectiveness of tax compliance monitoring.</jats:p>
Год издания: 2025
Авторы: Malashin Ivan P., Masich Igor S., Tynchenko Vadim S., Gantimurov Andrei P., Nelyub Vladimir A., Borodulin Aleksei S.
Издательство: Frontiers Media S.A.
Источник: Frontiers in Artificial Intelligence
Выпуск: Т. 8
Номера страниц: 1669191
Количество экземпляров:
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