Z-Information-Based Designing a Sustainable Tourism Travel Trip

Designing a sustainable tourism travel trip is based on evaluation and handling different types of information. Many times, available data can be characterized as imperfect. In many cases, decision criteria for sustainable tourism travel trip designing are assessed using linguistic terms, which also have a certain degree of reliability. To operate with a high level of uncertainties, it is suggested to use an approach based on Z-information. Z-numbers allow the categorization of destinations, weighting the preferences, and selecting destinations that score high in sustainability and cultural richness. Using a Z-number-based approach for such multi-stage processes as sustainable tourism travel trip design that includes goal definitions, gathering data, itinerary design, continuous adjustment, and post-trip analysis allows one to rely on personal experiences and feedback from locals or fellow travelers. This feedback can be used to refine future travel plans, further applying Z-numbers to interpret and act on this inherently subjective information. Fuzzy data is integral at every stage, from understanding preferences and evaluating destinations to making decisions about activities and adjusting plans. The application of Z-information allows for a more nuanced and adaptable approach to travel planning, especially in the context of sustainability and cultural experiences where data is often subjective and variable. The modeling and handling of Z-information are implemented in Z-lab software.