Research on emotion analysis of Ctrip hotel reviews and user demand identification based on big data. International Scientific Technical and Economic Research , [S. l.], p. 71–89, 2023. DOI: 10.71451/s7pbw235. Disponível em: https://istaer.online/index.php/Home/article/view/No.2321. Acesso em: 19 apr. 2025.