Customer satisfaction in the service sector, particularly within hospitality, has long been a focal point for both academic research and practical application. Traditional analyses, such as the Kano model and importance-performance analysis (IPA), have offered valuable frameworks but often fall short in capturing the intricate and non-linear nature of the attribute performance-customer satisfaction (AP-CS) relationship.Customer satisfaction in the service sector, particularly within hospitality, has long been a focal point for both academic research and practical application. Traditional analyses, such as the Kano model and importance-performance analysis (IPA), have offered valuable frameworks but often fall short in capturing the intricate and non-linear nature of the attribute performance-customer satisfaction (AP-CS) relationship.Business[#item_full_content]