“…After keyword analysis was applied in tourism studies for the first time (Palmer et al, 2005), bibliometric analysis became a widely accepted tool in analyzing the research network structure in various tourism-and hospitality-related fields, including sustainable tourism (Niñerola et al, 2019;Ruhanen et al, 2015), AirBnB (Andreu et al, 2020), psychology (Barrios et al, 2008), tourism crisis and disaster management (Jiang et al, 2017), food and gastronomy (Okumus et al, 2018), finances (Jiménez-Caballero and Polo Molina, 2017), wine tourism (S anchez et al, 2017), medical tourism (De La Hoz-Correa et al, 2018), self-service technology (Shin and Perdue, 2019), social media (Leung et al, 2017;Nusair et al, 2019) and strategic management . These bibliometric studies have adopted a number of analysis approaches, such as co-authorship, co-citation and co-word analyses.…”