Blar i NHH Brage på forfatter "Guajardo, Mario"
-
A simulation analysis of the container handling process at Husøy port : the effect of a new container terminal
Husby, Per Einar; Klausen, Emilie (Master thesis, 2015)In this thesis we have been using simulation as a method to analyse the structural changes at Karmsund Container Terminal. By measuring the different steps in the container handling process, we were able to evaluate how ... -
Analysing the demand for carsharing in Bergen : an empirical approach using car-specific and demographic data
Fang, Jinhua; Opedal, Eivind (Master thesis, 2020)Background: Car-sharing is gaining popularity throughout the world. Currently, there is limited research on car-sharing in Norway. This paper aims to identify empirically, based on past data, what demographic and ... -
Autonomous vessels: State of the art and potential opportunities in logistics
Gu, Yewen; Goez, Julio C.; Guajardo, Mario; Wallace, Stein W. (Discussion paper;6/19, Working paper, 2019-09-05)The growth in technology on autonomous transportation systems is currently motivating a number of research initiatives. This paper first presents a survey of the literature on autonomous marine vessels in general. By ... -
Bi-level electricity market models : the impact of irrelevant constraints on pool-based electricity mrket equilibria under strategic bidding
Haas, Roman (Master thesis, 2016)Advancements in optimization solvers lead to an increased use of complex bi-level problems (BLP) in operations research (OR). For electricity market modelling, BLPs are applied to simulate physical pool-based markets ... -
Common mistakes in computing the nucleolus
Guajardo, Mario; Jörnsten, Kurt (Discussion paper;15/14, Working paper, 2014-04)Despite linear programming and duality have correctly been incorporated in algorithms to compute the nucleolus, we have found mistakes in how these have been used in a broad range of applications. Overlooking the fact ... -
Cooperation of customers in traveling salesman problems with profits
Osicka, Ondrej; Guajardo, Mario; Jörnsten, Kurt (Discussion paper;17/19, Working paper, 2019-11-22)The traveling salesman problem and its variants are among the most studied problems in the literature on transportation and logistics. In one of these variants known as the profitable tour problem [2], a profit-maximizing ... -
Cooperative game theory in location-routing
Van Oost, Thibault (Master thesis, 2016)Horizontal collaboration in transportation is attracting increased interest from academics and practitioners. This approach can bring significant savings to the companies and help reduce their carbon footprints. Game ... -
Cooperative game-theoretic features of cost sharing in location-routing
Osicka, Ondrej; Guajardo, Mario; van Oost, Thibault (Discussion paper;11/18, Working paper, 2018-09-24)This article studies several variants of the location-routing problem using a cooperative game-theoretic framework. The authors derive characteristics in terms of subadditivity, convexity, and non-emptiness of the core. ... -
Data Reconciliation in Electricity Markets : Implementing and Testing a Physics-Informed Optimization Framework to Correct Data Inconsistencies on the ENTSO-E Transparency Platform
Jønsrud, Ole Jakob; Nielsen, Dyvecke (Master thesis, 2023)Climate goals and geopolitical shifts have forced the European electricity system into transition. High-quality electricity data is a critical success factor for stakeholders in this transition. This thesis examines the ... -
Decision making in Norwegian dairy farming using mathematical programming : maximising farmer’s gross margin under subsidy regulations
Engmark, Hans Kristian; Erstad, Aleksander (Master thesis, 2019)Norwegian dairy farming is characterised by increased consolidation and a wide array of governmental support schemes. The farming industry can utilise business analytics to assist the complex decision making facing ... -
Demand forecasting of antarctic krill meal : an automatic model for comparison of time series methods
Takseth, Miriam Slagnes; Newermann, Tove Fotland (Master thesis, 2019)The world’s population is growing faster than ever. As a consequence, it is challenging to maintain a sustainable food production to satisfy all needs. In recent years, krill has emerged as a viable and effective supplement, ... -
Dissecting Poisson based prediction models in association football: A comprehensive look at methodology, assumptions, and accuracy using data from the main European Leagues (2011 – 2022)
Kurtsmajlaj, Veton (Master thesis, 2022)As the access to broader and better data increases, data analytics, statistical modeling, and data science generally find ever-growing interest in sports analytics, including association football. It is no secret that ... -
Format and schedule proposals for a FIFA World Cup with 12 four-team groups
Guajardo, Mario; Krumer, Alex (Discussion paper;2/23, Working paper, 2023-03-13)After the expansion of the FIFA World Cup from 32 to 48 teams starting from the 2026 edition, the initial proposal was to split the 48 national teams into 16 groups of three. Among other drawbacks, this proposal provides ... -
Inventory management of spare parts in an energy company
Guajardo, Mario; Rönnqvist, Mikael; Halvorsen, Ann Mari; Kallevik, Svein Inge (Discussion paper;06/12, Working paper, 2012-06)We address a problem of inventory management of spare parts in the context of a large energy company, producer of oil and gas. Spare parts are critical for assuring operational conditions in offshore platforms. About ... -
Liner shipping network design with autonomous vessels : economic and operational analysis under static and dynamic scheduling
Nguyen, Gam Thi Hong; Ruzaeva, Daria (Master thesis, 2020)Autonomous shipping technology has seen rapid growth in the last few years. Introduction of autonomous vessels may bring a wide range of benefits to the maritime industry such as cost savings, higher fuel efficiency, ... -
Machine learning for automated stratigraphy classification : an empirical study to label subsurface formations in the Johan Sverdrup field
Søland, Petter; Thue, Mikkel Vatne (Master thesis, 2019)This thesis explored to what extent different supervised machine learning algorithms can be used to label subsurface formations in wells. It was explored through empirical study using wireline logs from the Johan Sverdrup ... -
Operasjonell analyse av BIRs vakuumbaserte bossnett i Bergen sentrum : en inngående beskrivelse av det vakuumbaserte bossnettets ytelse, med fokus på operasjonelle måltall
Norevik, Preben Njøsen; Haugen, Martin Aamodt (Master thesis, 2018)Formålet med denne oppgaven er å utvikle en grundig og detaljert forståelse av systemet som omfatter bossnettet til BIR. Oppgaven er en operasjonell analyse av bossnettet med hovedfokus på ytelsen for drift av rørnettet. ... -
Optimal Scheduling of Nursing Shifts : A Case Study on Work Scheduling at Haukeland University Hospital
Bergsvik, Natalie Alsaker; Bjøru, Linnéa Marie Wahlman (Master thesis, 2022)This thesis presents a nurse scheduling problem tailored to characteristics common of Norwegian hospitals. The problem involves allocating nurses to specific shifts to ensure coverage of demand, while respecting work ... -
Optimization Models for Collaborative Vessel Allocation : A Computational Study of How Collaboration Between Shipping Companies Can Reduce Fuel Costs and CO2 Emissions
Heggestad, Maria; Solbakken, Martine Bjerken (Master thesis, 2023)Transportation by sea entails costs for shipping companies as well as emissions that contributes to the challenges regarding global warming. A variety of approaches can be implemented in order to facilitate reductions ... -
Optimizing Charging Strategies for Electric Vehicle Owners: A Comparison of Charging Strategies to Schedule Optimal Home Charging
Enger, Thea Kristin; Nøstvik, Maria Melby (Master thesis, 2022)The rapid growth in the Norwegian electric vehicle market has put Norway in a unique position as the leading country in electric vehicle adoption. With few challenges in the establishment of charging infrastructure, most ...