De Pessemier, ToonToonDe PessemierDhondt, JeroenJeroenDhondtMartens, LucLucMartens2021-10-242021-10-242017-011380-7501https://imec-publications.be/handle/20.500.12860/28141Hybrid group recommendations for a travel serviceJournal articlehttps://rd.springer.com/article/10.1007/s11042-016-3265-x