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Assessing the impacts generated by tourism has become an essential element for the industry’s sustainability. The increasing intensity of the impacts and the need to evaluate them from a resident’s perspective calls for new approaches to assist tourism management. This paper aims to advance from the pressure-state-response framework (PSR) to measure the tourism impacts in urban destinations with a holistic model called PSR-ti.

A multiple linear regression method was adopted to apply the PSR-ti model in the city of Madrid, estimating the relationship between the pressure (objective) and state (subjective) variables. Local statistical yearbook data was used to construct the pressure variables. Regarding the state variables, a survey was designed to assess residents’ perceptions of tourism. A total of 652 responses were obtained.

The results obtained from the study of pressure indicators unveil that these indicators can support decision-making processes as an underused management tool. This work represents a step forward in considering the transversality of tourism concerning urban planning, the development of equipment and infrastructures or activities such as commerce and culture for the analysis of the state indicators; the results obtained determine the need to periodically evaluate the perception of residents on the impacts of tourism, given its crucial role in the sustainability of the destination.

The PSR-ti model offers a holistic vision, including objective and subjective indicators in the model, which enhances the appraisal of the impacts of tourism by identifying pressure and state factors as a starting point for possible responses by the decision makers of the tourist destination.

Recommendation systems are a fundamental tool for hotels to adopt a differentiating competitive strategy. The main purpose of this work is to use machine learning techniques to treat imbalanced data sets, not applied until now in the tourism field. These techniques have allowed the authors to analyse the influence of imbalance data on hotel recommendation models and how this phenomenon affects client dissatisfaction.

An opinion survey was conducted among hotel customers of different categories in 120 different countries. A total of 135.102 surveys were collected over eleven quarters. A longitudinal design was conducted during this period. A binary logistic model was applied using the function generalized lineal model (GLM).

Through the analysis of a representative amount of data, the authors empirically demonstrate that the imbalance phenomenon is systematically present in hotel recommendation surveys. In addition, the authors show that the imbalance exists independently of the period in which the survey is done, which means that it is intrinsic to recommendation surveys on this topic. The authors demonstrate the improvement of recommendation systems highlighting the presence of imbalance data and consequences for marketing strategies.

The main contribution of the current work is to apply to the tourism sector the framework for imbalanced data, typically used in the machine learning, improving predictive models.

This paper aims to study the effect of imbalanced data in tourism quality models. It is demonstrated that this imbalance strongly affects the accuracy of tourism prediction models for hotel recommendation.

A questionnaire was used to survey 83,740 clients from hotels between five and two or less stars using a binary logistic model. The data correspond to a sample of 87 hotels from all around the world (120 countries from America, Africa, Asia, Europe and Australia).

The results of the study suggest that the imbalance in the data affects the prediction accuracy of the models used, especially to the prediction provided by unsatisfied clients, tending to consider them as satisfied customers.

In this sense, special attention should be given to unsatisfied clients or, at least, some safeguards to prevent the effect of the imbalance of data should be included in the models.

In the tourism industry, the strong imbalance between satisfied and unsatisfied customers produces misleading prediction results. This fact could have effects on the quality policy of hoteliers.

In this work, focusing on tourism data, it is shown that this imbalance strongly affects the prediction accuracy of the models used, especially to the prediction of the recommendation provided by unsatisfied customers, tending to consider them as satisfied customers; a methodological approach based on the balance of the data set used to build the models is proposed to improve the accuracy of the prediction for unsatisfied customers provided by traditional services quality models.