Worapoj Suwanpipob received the B.S. degree in information and communication technology and M.S. degree in information technology from Khon Kaen University, Thailand, in 2014 and 2017, respectively. He is currently pursuing a Ph.D. degree in information technology with the College of Computing at Khon Kaen University, Thailand. During his M.S. degree, he was a working researcher in the semantic mining and information integration laboratory. He is currently working as a researcher and teacher assistant in the applied intelligence and data analytics laboratory. His research interests include semantic web, ontology engineering, and knowledge representation and reasoning.

Ngamnij Arch-Int received the B.S. degree in statistics from Kasetsart University, the M.S. degree in applied statistics from the National Institute of Development Administration, and the Ph.D. degree in computer science from Chulalongkorn University, Bangkok, Thailand, in 1988, 1990, and 2003, respectively. She is currently an associate professor in computer science at the College of Computing, Khon Kaen University, Khon Kaen, Thailand. She also serves as the head of the applied intelligence and data analytics laboratory. Her research interests include semantic web, ontology engineering, ontology-based data integration, knowledge representation and reasoning, heterogeneous information integration, and semantic sentiment analysis.

Warunya Wunnasri earned her B.S. in computer science and M.S. in information and communication technology for embedded systems from Thammasat University, Pathum Thani, Thailand, in 2011 and 2013, respectively. Subsequently, she completed her Ph.D. in information engineering at Hiroshima University, Hiroshima, Japan, in 2018. Presently, she serves as an instructor in information technology at the College of Computing, Khon Kaen University, Khon Kaen, Thailand. Her research focuses on text mining, sentiment analysis, learning engineering, data engineering, and data science.