Departament d'Estadística i Investigació Operativa: Enviaments recents
Ara es mostren els items 1-12 de 1112
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Multidimensional scaling for big data
(Springer, 2024-04-13)
Article
Accés obertWe present a set of algorithms implementing multidimensional scaling (MDS) for large data sets. MDS is a family of dimensionality reduction techniques using a n x n distance matrix as input, where n is the number of ... -
A combined methodology for transportation planning assessment: application to a case study
(2001-05)
Article
Accés obertTraffic assignment models based on the user-equilibrium approach are one of the most widely used tools in transportation planning analysis. Resulting offer a static average view of the expected use of the road infrastructure ... -
Modelos de equilibrio Cournot-Nash en planificación del transporte urbano
(2003-12)
Article
Accés obert -
Programación matemática binivel en planificación del transporte urbano: estado del arte y nuevos modelos
(2003-12)
Article
Accés obert -
Interpreting machine learning models for survival analysis: a study of cutaneous melanoma using the SEER database
(2024-02-25)
Capítol de llibre
Accés restringit per política de l'editorialIn this study, we train and compare three types of machine learning algorithms for Survival Analysis: Random Survival Forest, DeepSurv and DeepHit, using the SEER database to model cutaneous malignant melanoma. Additionally, ... -
Microwave oven application for the preparation and sterilization of microbiological culture media: a feasible method with an adapted water bath and perforable cap
(Multidisciplinary Digital Publishing Institute, 2024-03-11)
Article
Accés obertThere is currently increased interest in the use of alternatives to autoclaved culture media, in order to maintain the properties of the media, while saving energy and time. In this study, we assess a new system for culture ... -
Building models in pairs for cross-verification using SDL and DEVS
(John Wiley & sons, 2024-04-08)
Article
Accés obertThe objective of the paper is to present a methodology that can be used to translate a model from one formalism to another allowing model reuse and cross-verification. With the use of formal languages, the model specifications ... -
When are they coming? Understanding and forecasting the timeline of arrivals at the FC Barcelona stadium on match days
(2024-03-26)
Article
Accés obertFutbol Club Barcelona operates the largest stadium in Europe (with a seating capacity of almost one hundred thousand people) and manages recurring sports events. These are influenced by multiple conditions (time and day ... -
Effectiveness of influenza vaccination and early antiviral treatment in reducing pneumonia risk in severe influenza cases
(2024-02-07)
Article
Accés obertIntroduction: Influenza vaccination may be effective in preventing influenza infection and may reduce the risk of influenza-associated pneumonia. The study aim was to evaluate the effect of influenza vaccination in preventing ... -
Llibre blanc sobre la intel·ligència artificial aplicada a la ciberseguretat
(Centre of Innovation for Data Tech and Artificial Intelligence (CIDAI), 2023)
Llibre
Accés obertEls darrers anys els avanços a la ciència de la Intel·ligència Artificial han estat remarcables, tenint gran impacte en diferents sectors industrials i socials. Existeixen en la actualitat una gran quantitat d’exemples que ... -
Comments on: shape-based functional data analysis
(Springer, 2023-12-11)
Article
Accés obertThe paper under discussion proposes a non-standard way to approach functional data analysis based on the concept of shape-of-a-function. I congratulate the authors for such a stimulating piece of work. Among the most ... -
Survival analysis with censored data: a further twist on ignorability conditions
(Taylor & Francis Group, 2024-02-04)
Article
Accés obertA key assumption for the application of methods concerning censored data is that the random nature of the censoring mechanism should be ignorable when making likelihood-based inferences. The constant-sum property is an ...