YI, Bi; SONG, Fan; LI, Ding. Ontology Based Emotional Classification and Influence Analysis of Online Travel Agency User Opinions. Ubiquitous Technology Journal, Ottawa, Canada, v. 2, n. 1, 2026. DOI: 10.71346/utj.v2i1.30. Disponível em: https://crosslinkstudies.com/ubicc/index.php/utj/article/view/30. Acesso em: 18 jul. 2026.