Arbi Haza Nasution is an Assistant Professor of the Department of Informatics Engineering, Universitas Islam Riau, Indonesia. He received his Ph.D. Degree in Informatics from Kyoto University in 2018, obtained his Bachelor Degree in Computer Science from the National University of Malaysia in 2010 and obtained a Master's Degree in Management Information Systems from the National University of Malaysia in 2012. His current research interests include computational linguistics, natural language processing, machine learning, and knowledge representation. Currently, he is working on the Indonesia Language Sphere Project which aims to semi-automatically create bilingual dictionaries among various Indonesian Ethnic Languages to preserve these languages, collaborating with Ritsumeikan University, Universiti Teknologi Petronas, Universiti Teknologi Mara, University of Indonesia, and Telkom University.