Analyzing online public opinion on Thailand-China high-speed train and Laos-China railway mega-projects using advanced machine learning for sentiment analysis. - Manussawee Nokkaew; Kwankamol Nongpong; Tapanan Yeophantong; Pattravadee Ploykitikoon; Weerachai Arjharn; Apirat Siritaratiwat; Sorawit Narkglom; Wullapa Wongsinlatam; Tawun Remsungnen; Ariya Namvong; Chayada Surawanitkun (Soc. Netw. Anal. Min., 2024)