• openAccess   UJI Probes Revisited: Deeper Dive Into the Dataset of Wi-Fi Probe Requests 

      Bravenec, Tomáš; Torres-Sospedra, Joaquín; Gould, Michael; Fryza, Tomas Institute of Electrical and Electronics Engineers Inc. (2023-11-22)
      This article centers on the deeper presentation of a new and publicly accessible dataset comprising Wi-Fi probe requests. Probe requests fall within the category of management frames utilized by the 802.11 (Wi-Fi) protocol. ...
    • openAccess   Ultra-Performance Liquid Chromatography-Ion Mobility Separation-Quadruple Time-of-Flight MS (UHPLC-IMS-QTOF MS) Metabolomics for Short-Term Biomarker Discovery of Orange Intake: A Randomized, Controlled Crossover Study 

      Lacalle-Bergeron, Leticia; Portoles, Tania; López, Francisco J.; Sancho, Juan V; CAROLINA, ORTEGA-AZORÍN; Asensio, Eva Maria; Coltell, Oscar; Corella, Dolores MDPI (2020)
      A major problem with dietary assessments is their subjective nature. Untargeted metabolomics and new technologies can shed light on this issue and provide a more complete picture of dietary intake by measuring the profile ...
    • openAccess   Ultra-processed foods consumption as a promoting factor of greenhouse gas emissions, water, energy, and land use: A longitudinal assessment 

      García, Silvia; Pastor Martín, Rosario; Monserrat Mesquida, Margalida; Álvarez-Álvarez, Laura; Rubín-García, María; Martínez González, Miguel Ángel; Salas-Salvadó, Jordi; Corella, Dolores; Fitó, Montserrat; Martínez, Alfredo J.; Tojal Sierra, Lucas; Wärnberg, Julia; Vioque, Jesus; Romaguera, Dora; López Miranda, José; Estruch, Ramon; Tinahones, Francisco J; Santos Lozano, José Manuel; Serra-Majem, Lluis; Cano-Ibáñez, Naomi; Pintó, Xavier; Delgado Rodríguez, Miguel; Matía-Martín, Pilar; Vidal, Josep; Vázquez, Clotilde; Daimiel, Lidia; Ros, Emili; Buil-Cosiales, Pilar; Martínez Rodríguez, María de los Ángeles; Coltell, Oscar; Castañer, Olga; GARCIA-RIOS, ANTONIO; Barceló, Concepción; Gómez-Gracia, Enrique; Zulet, María Ángeles; Konieczna, Jadwiga; Casas, Rosa; Massó, Paloma; Goicolea-Güemez, Leire; Bernal López, María Rosa; BES-RASTROLLO, MAIRA; Sangeetha, Shyam; González, José I.; Zomeño, Maria Dolors; Peña Orihuela, Patricia; González Palacios, Sandra; Toledo, Estefanía; Khoury, Nadine; Pérez-Vega, Karla Alejandra; Martín Sánchez, Vicente; Tur, Josep; Bouzas Velasco, Cristina Elsevier (2023)
      Background: Dietary patterns can produce an environmental impact. Changes in people's diet, such as the increased consumption of ultra-processed food (UPF) can not only influence human health but also environment ...
    • openAccess   Un sistema de Realidad Virtual distribuido basado en la gestión de recursos federados 

      Belmonte-Fernández, Óscar; Castañeda Garay, Miguel; Fernández Mota, David; Gil, José; Aguado González, Sergio; Varella Cerdá, Ester; Núñez Redó, Manuela; Segarra Sola, José Vicente Asociación de Técnicos de Informática (2009)
      The vast majority of distributed virtual environments use ad-hoc protocols to share resources and synchronize the interaction of multiple users on a shared virtual world. In this scenario, it is difficult to incorporate ...
    • closedAccess   Uncooperative gait recognition by learning to rank 

      Martín Félez, Raúl; Xiang, Tao Elsevier (2014)
      Gait is a useful biometric because it can operate from a distance and without subject cooperation. However, it is affected by changes in covariate conditions (carrying, clothing, view angle, etc.). Existing methods suffer ...
    • openAccess   Understanding the sharing economy and its implication on sustainability in smart cities 

      Akande, Adeoluwa; Cabral, Pedro; Casteleyn, Sven Elsevier (2020-09-06)
      The purpose of this article is to evaluate the main drivers of the sharing economy through an exhaustive weighting and meta-analysis of previous relevant quantitative research articles, obtained using a systematic literature ...
    • openAccess   Unsupervised Remote Sensing Image Retrieval Using Probabilistic Latent Semantic Hashing 

      Fernandez-Beltran, Ruben; Demir, Begüm; Pla, Filiberto; Plaza, Antonio Institute of Electrical and Electronics Engineers (2020-02-06)
      Unsupervised hashing methods have attracted considerable attention in large-scale remote sensing (RS) image retrieval, due to their capability for massive data processing with significantly reduced storage and computation. ...
    • openAccess   Upper bounds for the Poincaré recurrence time in quantum mixed states 

      Gimeno, Vicent; Martínez Sotoca, José IOP Publishing Ltd. (2017-04)
      In this paper we use geometric techniques to provide upper bounds for the Poincaré recurrence time of a quantum mixed state with a discrete spectrum of energies. We obtain two types of upper bounds. One of them depends on ...
    • openAccess   Use of ensemble based on GA for imbalance problem 

      Cleofás Sánchez, Laura; Valdovinos Rosas, Rosa María; García, Vicente; Alejo Eleuterio, Roberto Springer Verlag (Germany) (2009)
      In real-world applications, it has been observed that class imbalance (significant differences in class prior probabilities) may produce an important deterioration of the classifier performance, in particular with patterns ...
    • openAccess   Use of social networks as a CSR communication tool 

      Cortado, Francisco-Javier; Chalmeta, Ricardo Cogent OA (2016-05-30)
      The aim of this paper is to analyse the use of online social networks as a tool for Corporate Social Responsibility (CSR) communication and management. To this end, an analysis was performed of the messages posted by the ...
    • closedAccess   User-assisted simplification method for triangle meshes preserving boundaries 

      González, Carlos; Gumbau Portalés, Jesús; Chover, Miguel; Ramos, Jose Francisco; Quirós Bauset, Ricardo Elsevier (2009)
      This paper proposes a user-assisted mesh simplification method applied to CAD models converted to triangle meshes. This work offers the possibility of simplifying each subobject independently and at different levels of ...
    • openAccess   Using Big Data for Sustainability in Supply Chain Management 

      Chalmeta, Ricardo; Barqueros Muñoz, José Eduardo MDPI (2021)
      In the literature, several frameworks have been proposed to help sustainability management in supply chains. Nevertheless, they present a number of shortcomings. With the aim of overcoming these shortcomings, this paper ...
    • openAccess   Using big data to evaluate corporate social responsibility and sustainable development practices 

      Barbeito‐Caamaño, Adriana; Chalmeta, Ricardo Wiley (2020-07-27)
      This paper shows an alternative method to evaluate sustainable development and corporate social responsibility (CSR) practices based on the opinions of companies' stakeholders expressed on Twitter. An application of the ...
    • openAccess   Using hybrid associative classifier with translation (HACT) for studying imbalanced data sets 

      Cleofás Sánchez, Laura; Guzmán Escobedo, M.; Valdovinos Rosas, Rosa María; Yáñez Márquez, Cornelio; Camacho-Nieto, OSCAR Universidad Nacional de Colombia (Sede Bogotá). Facultad de Ingeniería (2012)
      En diversos problemas de reconocimiento de patrones, se ha observado que el desequilibrio de clases puede disminuir el desempeño del clasificador, principalmente en los patrones de las clases minoritarias. Una estrategia ...
    • closedAccess   Using Semantic Web Technologies for Exploratory OLAP: A Survey 

      Abelló, Alberto; Romero, Óscar; Pedersen, Torben Bach; Berlanga Llavori, Rafael; Nebot Romero, Victoria Institute of Electrical and Electronics Engineers (IEEE) (2015-02)
      This paper describes the convergence of some of the most influential technologies in the last few years, namely data warehousing (DW), on-line analytical processing (OLAP), and the Semantic Web (SW). OLAP is used by ...
    • openAccess   Using Sentinel-2-Based Metrics to Characterize the Spatial Heterogeneity of FLEX Sun-Induced Chlorophyll Fluorescence on Sub-Pixel Scale 

      Jantol, Nela; Prikaziuk, Egor; Celesti, Marco; Hernandez-Sequeira, Itza; Tomelleri, Enrico; Pacheco-Labrador, Javier; Van Wittenberghe, Shari; Pla, Filiberto; Bandopadhyay, Subhajit; Koren, Gerbrand; Siegmann, Bastian; LEGOVIĆ, TARZAN; Kutnjak, Hrvoje; Cendrero-Mateo, MaPi MDPI (2023)
      Current and upcoming Sun-Induced chlorophyll Fluorescence (SIF) satellite products (e.g., GOME, TROPOMI, OCO, FLEX) have medium-to-coarse spatial resolutions (i.e., 0.3–80 km) and integrate radiances from different sources ...
    • closedAccess   Utilizing nutritional genomics to tailor diets for the prevention of cardiovascular disease: a guide for upcoming studies and implementations 

      Corella, Dolores; Coltell, Oscar; Mattingley, George; Sorlí, José V; Ordovás Muñoz, José M. Taylor & Francis (2017-04-03)
      Introduction: Personalized diets based on an individual’s genome to optimize the success of dietary intervention and reduce genetic cardiovascular disease (CVD) risk, is one of the challenges most frequently discussed in ...
    • closedAccess   Viewpoint-based simplification using f-divergences 

      Castelló Boscá, Pascual; Sbert Casasayas, Mateu; Chover, Miguel; Feixas, Miguel Elsevier (2008)
      We propose a new viewpoint-based simplification method for polygonal meshes, driven by several f-divergences such as Kullback-Leibler, Hellinger and Chi-Square. These distances are a measure of discrimination between ...
    • closedAccess   Viewpoint-driven simplification using mutual information 

      Castelló Boscá, Pascual; Sbert Casasayas, Mateu; Chover, Miguel; Feixas, Miguel Elsevier (2008)
      In this paper, a new viewpoint-based simplification approach is proposed for polygonal meshes. This approach is driven by an information-theoretic measure, viewpoint mutual information. Our algorithm applies the best ...
    • openAccess   Virtual Reality versus Desktop Experience in a Dangerous Goods Simulator 

      Chover, Miguel; Martínez Sotoca, José; Marin-Lora, Carlos Serious Games Society (2022-05-31)
      Virtual Reality applications have become a trend in training simulators as an alternative to desktop applications. However, further study is needed on how these types of serious games, which often include several modes of ...