This two-set volume CCIS 2671 and 2672 book constitutes the proceedings of the 28th International Conference on Internet and Modern Society, IMS 2025, held in St. Petersburg, Russia, during June 23-25, 2025. The 44 full papers and 12 short papers included in these conference proceedings were carefully reviewed and selected from 135 submissions. They are categorized into the following topical sections: Part I: Computational Linguistics & Machine Learning (CompLing); Cyberpsychology & Post-AI Education (PsyAI); Digital Transformation in Governance and Society (DTGS). Part II: Art and Innovation in Museums (AIMs); Interactive Systems & Information Society Technologies (InterSys).