Pham Dinh Phong received a Master's degree in Information Technology and a Doctor of Philosophy degree in Computer Science from the University of Engineering and Technology, Vietnam National University, Hanoi, in 2011 and 2018, respectively. Now, he is a lecturer at the University of Transport and Communications. His research interests include hedge algebras, fuzzy systems, soft computing, data mining, and machine learning.

Pham Thi Lan received a Bachelor in informatics teaching from Hanoi National University of Education in 2006, a Master in computer science from Hanoi National University of Education in 2008 and a Doctor of Philosophy in computer science at the Graduate University of Science and Technology, Vietnam Academy of Science and Technology in 2022. Since 2008, she has been working as a lecturer at the Faculty of Information Technology, Hanoi National University of Education. Her research interests include data structure and algorithms, applications of hedge algebra, and approaches to extracting linguistic summaries.

Tran Xuan Thanh received a Bachelor in Technical Education from Hanoi National University of Education in 2003, an Engineer in Information Technology from Hanoi University of Science and Technology in 2006, and a Master in Computer Science from the Posts and Telecommunications Institute of Technology in 2012. From 2008 to 2020, he worked at the Faculty of Information Technology at Thanh Do University, Vietnam. Since 2021, he has been a lecturer at the Faculty of Information Technology, East Asia University of Technology, Vietnam. His research interests include optimization algorithms, the applications of fuzzy logic, and hedge algebras in linguistic summarization problems.