About: duty-free shopping

Premodifier: duty-free
Head noun: shopping

Same concepts
http://dbpedia.org/resource/Duty-free_shop

Broader concepts

label	provenance	confidence
facility	isap:59831574	0.586332
activity	isap:62198812	0.540487
airport	isap:344468070	0.441040

Narrower concepts

label	provenance	confidence