This book constitutes the refereed proceedings of the 27th International Conference on Information and Software Technologies, ICIST 2021, held in Kaunas, Lithuania, in October 2021.

The 24 full papers and 6 short papers presented were carefully reviewed and selected from 79 submissions. The papers discuss such topics as ​business intelligence for information and software systems, intelligent methods for data analysis and computer aided software engineering, information technology applications, smart e-learning technologies and applications, language technologies.

This book constitutes the refereed proceedings of the 27th International Conference on Information and Software Technologies, ICIST 2021, held in Kaunas, Lithuania, in October 2021.

The 24 full papers and 6 short papers presented were carefully reviewed and selected from 79 submissions. The papers discuss such topics as ​business intelligence for information and software systems, intelligent methods for data analysis and computer aided software engineering, information technology applications, smart e-learning technologies and applications, language technologies.

This book constitutes the refereed proceedings of the 27th International Conference on Information and Software Technologies, ICIST 2021, held in Kaunas, Lithuania, in October 2021.

The 24 full papers and 6 short papers presented were carefully reviewed and selected from 79 submissions. The papers discuss such topics as ​business intelligence for information and software systems, intelligent methods for data analysis and computer aided software engineering, information technology applications, smart e-learning technologies and applications, language technologies.