9Oertel B, Steinmaller K, Kuom M. Mobile multimedia services for tourism [ A ]. In: Information & Communication Technologies in Tourism 2002 : Proceedings of the International Conference in lnnsbruck [ C ]. Austria, Innsbruck,2002. 265 - 274.
10Sehmidt-Belz B, Laamanen H, Poslad S. Location-based mobile tourist serviees-first user experiences[ A]. In:Information & Communication Technologies in Tourism 2003: Proceedings of the International Conference in Helsinki [ C ]. Finland, Helsinki, 2003.115 - 123.
