Rathachai Chawuthai is a lecturer at King Mongkut's Institute of Technology Ladkrabang with an extensive educational background including a Ph.D. from Sokendai, Japan. His work experience spans multiple organizations and includes numerous publications in the field of semantic web technology, focusing on topics such as linked open data and RDF graph visualization. The document also outlines the fundamentals of the semantic web, open research data, and provides insights into ontology and RDF schema.