id	keyword
csp-317	robots
csp-317	service
csp-317	employees
csp-317	human
csp-317	hotel
csp-317	industry
csp-317	service robots
csp-317	et al
csp-317	hospitality
csp-317	attitude
csp-317	journal
csp-317	tourism
csp-317	technology
csp-317	international
csp-317	intelligence
csp-317	robotics