Data Mining and Machine Learning in the Era of Big Knowledge and Large Models

The present Reprint contains all 13 articles accepted and published in the Special Issue Data Mining and Machine Learning in the Era of Big Knowledge and Large Models, 2026 of the MDPI Mathematics journal, which covers a wide range of topics connected to the theory, models, algorithms and applications related to advancing data mining and machine learning in the current age. The topics of these articles focus on Transformer-based named entity recognition, knowledge recommendation, time series analysis, model integration, data quality improvement, hallucinations, and innovative application development. We hope that the Reprint will be both interesting and useful for those working in the area of data mining and machine learning, as well as for those with the proper mathematical background and a willingness to become familiar with recent advances in this field.