Shusaku Egami received his PhD degree in engineering from the University of Electro-Communications, Tokyo, Japan, in 2019. He is currently a researcher at the National Institute of Advanced Industrial Science and Technology, Japan. He is also a part-time lecturer at Hosei University, Tokyo, Japan, and a collaborative researcher at the University of Electro-Communications, Tokyo, Japan. His research interests include the semantic web, ontologies, and knowledge graphs.