CHROMA model for the information-driven decision-making process 

    Parra, Xileidys (Date of defense: 2018-05-10)

    The strong, progressive interaction between decision-making processes (DMP) and information technologies has led to breakthroughs in how business is conducted. These developments represent the advent of significant trends ...

    Composite endpoints in clinical trials : computational tools, practical guidelines and methodological extensions 

    Gómez-Mateu, Moisés (Date of defense: 2016-06-30)

    The conclusions from randomized clinical trials (RCT) rely on the primary endpoint (PE), which is chosen at the design stage of the study; thus, it is of utmost importance to select it appropriately. In RCT, there should ...

    Conjoint design of railway lines and frequency setting under semi-congested scenarios 

    López Ramos, Francisco (Date of defense: 2014-02-24)

    This thesis develops mathematical programming models which integrate network design (ND) and line frequency setting (LFS) phases. These appear in transport planning studies that extend an existing urban public transportation ...

    Contributions to the planning and analysis of factorial designs 

    Xampeny Solaní, Rafael (Date of defense: 2018-06-20)

    The thesis is structured in five articles. In the first article, two methods are compared to analyze the significance of the effects: the Lenth method and the one based on the estimation of the variance of the effects from ...

    Desarrollo de técnicas estadísticas basadas en computacion intensiva para el análisis de medidas repetidas 

    Sánchez Espigares, Josep Anton (Date of defense: 2021-04-09)

    This thesis includes contributions to statistical methodologies and practical applications in situations where data has been obtained as a result of repeated measures. The first block includes a first article where different ...

    Improving urban deliveries via collaboration 

    Roca Riu, Mireia (Date of defense: 2015-12-22)

    Distribution of goods is essential for the economic development of cities but at the same time it entails several problems to the urban systems and different stakeholders. Carriers spend a significant portion of their cost ...

    Mathematical programming based approaches for classes of complex network problems : economical and sociological applications 

    Nasini, Stefano (Date of defense: 2015-01-29)

    The thesis deals with the theoretical and practical study of mathematical programming methodologies to the analysis complex networks and their application in economic and social problems. More specifically, it applies ...

    Mathematical programming models to design and analyse efficient and robust raiway freight transport networks 

    Rosell Camps, Francisca (Date of defense: 2022-11-10)

    (English) Searching to achieve an ambitious reduction in greenhouse gas emissions, the European Union has set as a goal a modal shift in freight transport of 30\% by rail or waterborne for the near future. The increasing ...

    Medium-term power planning in electricity markets with renewable generation sources 

    Marí Tomàs, Laura (Date of defense: 2015-09-25)

    The problem addressed in this thesis is the medium-term generation planning over a yearly horizon of a generation company participating in a liberalized electricity market with pool auction of generation and consumption ...

    Metodologia d'identificació de seqüències Web per a business intelligence basada en tècniques de mineria de dades 

    Palomino Gayete, Arturo (Date of defense: 2023-10-03)

    (English) The Internet has changed the way companies sell and users shop. Nowadays, having an online presence is an opportunity, while not doing so is a competitive disadvantage, and companies strive to appear as the first ...

    Multistage scenario trees generation for renewable energy systems optimization 

    Cuadrado Guevara, Marlyn Dayana (Date of defense: 2020-11-30)

    The presence of renewables in energy systems optimization have generated a high level of uncertainty in the data, which has led to a need for applying stochastic optimization to modelling problems with this characteristic. ...

    New models and algorithms for several families of Arc Routing Problems 

    Rodríguez Pereira, Jessica (Date of defense: 2018-01-09)

    Some of the most common decisions to be taken within a logistic systems at an operational level are related to the design of the vehicle routes. Vehicle Routing Problems and Arc Routing Problems are well-known families of ...

    Optimal PMU placement in active distribution networks 

    Ivanova, Anzhelika (Date of defense: 2023-07-18)

    (English) The smart grid concept in distribution networks has risen due to the ICT trend, with the transformation of the network into an active one, incorporating many different smart grid technologies. One of the main ...

    Optimization methods for the design of progressive lenses 

    Casanellas, Glòria (Date of defense: 2020-03-05)

    This work is the result of an Industrial Doctorate developed through a partnership agreement between the Universitat Politècnica de Catalunya and the company Horizons Optical. This thesis solves the complex design of ...

    Scheduling policies for multi-period services 

    Núñez del Toro, Alma Cristina (Date of defense: 2016-02-02)

    In many situations, the resources in organizations are employed to satisfy some demand (or services) requirements, which are repeated with some periodicity. These recurrent services appear in a large variety of processes ...

    Speculation – postponement strategies in supply chain network design problems: a modelling framework for new supply chain strategies through stochastic optimization 

    Ramón Lumbierres, Daniel Jacobo (Date of defense: 2024-01-23)

    (English) Speculation and Postponement are opposite supply chain strategies intended to either advance or postpone the necessary production processes to transform raw materials into finished goods. A Customer Order ...

    Statistical methods for the analysis of complex epidemiology data 

    Esnaola Acebes, Mikel (Date of defense: 2023-06-23)

    (English) Epidemiology is a relatively young and rapidly evolving science. Recent technological breakthroughs have allowed modern epidemiologists to raise increasingly ambitious research hypotheses. This has originated ...

    The dynamics of bike sharing systems: advancements in analytics tools 

    Cortez Ordóñez, Alexandra Piedad (Date of defense: 2023-11-23)

    (English) Nowadays, Bicycle Sharing Systems (BSS) have become a popular and widespread transportation system across the world thanks to their multiple environmental and health benefits, and its successful support for urban ...