Exploració per autor "Vellido Alcacena, Alfredo"
Ara es mostren els items 69-88 de 129
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Generative topographic mapping as a constrained mixture of student t-distributions: theoretical developments
Vellido Alcacena, Alfredo (2004-09)
Report de recerca
Accés obertThe Generative Topographic Mapping (GTM: Bishop et al. 1998a), a non-linear latent variable model, was originally defined as constrained mixture of Gaussians. Gaussian mixture models are known to lack robustness in the ... -
Geodesic Generative Topographic Mapping
Cruz Barbosa, Raúl; Vellido Alcacena, Alfredo (2008-10)
Article
Accés restringit per política de l'editorialNonlinear dimensionality reduction (NLDR) methods aim to provide a faithful low-dimensional representation of multivariate data. The manifold learning family of NLDR methods, in particular, do this by defining low-dimensional ... -
GPCR molecular dynamics forecasting using recurrent neural networks
López Correa, Juan Manuel; König, Caroline; Vellido Alcacena, Alfredo (Springer Nature, 2023)
Article
Accés obertG protein-coupled receptors (GPCRs) are a large superfamily of cell membrane proteins that play an important physiological role as transmitters of extracellular signals. Signal transmission through the cell membrane depends ... -
Influencing factors in energy use of housing blocks: a new methodology, based on clustering and energy simulations, for decision making in energy refurbishment projects
Cipriano Lindez, Xavier; Vellido Alcacena, Alfredo; Cipriano Lindez, Jordi; Martí Herrero, Jaime; Danov, Stoyan (2017-04-01)
Article
Accés obertIn recent years, big efforts have been dedicated to identify which are the factors with highest influence in the energy consumption of residential buildings. These factors include aspects such as weather dependence, user ... -
Intelligent data analysis approaches to churn as a business problem: a survey
García Gómez, David; Nebot Castells, M. Àngela; Vellido Alcacena, Alfredo (2017-06)
Article
Accés obertGlobalization processes and market deregulation policies are rapidly changing the competitive environments of many economic sectors. The appearance of new competitors and technologies leads to an increase in competition ... -
Intelligent management of sepsis in the intensive care unit
Ribas Ripoll, Vicent; Ruiz Rodríguez, Juan Carlos; Vellido Alcacena, Alfredo (IGI Global, 2012-06)
Capítol de llibre
Accés restringit per política de l'editorial -
Interpreting response to TMZ therapy in murine GL261 glioblastoma by combining Radiomics, Convex-NMF and feature selection in MRI/MRSI data analysis
Nuñez Vivero, Luis Miguel; Julia Sape, Margarida; Romero Merino, Enrique; Arus Caraltó, Carles; Vellido Alcacena, Alfredo; Candiota Silveira, Ana Paula (Institute of Electrical and Electronics Engineers (IEEE), 2020)
Text en actes de congrés
Accés obertMachine learning (ML) methods have shown great potential for the analysis of data involved in medical decisions. However, for these methods to be incorpored in the medical pipeline, they must be made interpretable not only ... -
Investigating human cancer with computational intelligence techniques
Vellido Alcacena, Alfredo; Lisboa, Paulo J.G. (Future Technology Press, 2009-01-31)
Capítol de llibre
Accés restringit per política de l'editorialDriven by the growing demand of personalization of medical procedures, data-based, computer-aided cancer research in human patients is advancing at an accelerating pace, providing a broadening landscape of opportunity ... -
Is generative artificial intelligence the next step toward a personalized hemodialysis?
Hueso Val, Miguel; Alvarez Esteban, Rafael; Marí Martínez, David; Ribas Ripoll, Vicent; Lekadir, Karim; Vellido Alcacena, Alfredo (2023-12)
Article
Accés obertArtificial intelligence (AI) generative models driven by the integration of AI and natural language processing technologies, such as OpenAI’s chatbot generative pre-trained transformer large language model (LLM), are ... -
Kernel generative topographic mapping of protein sequences
Cárdenas, Martha Ivón; Vellido Alcacena, Alfredo; Olier Caparroso, Iván; Rovira, Xavier; Giraldo, Jesús (IGI Global, 2012-06)
Capítol de llibre
Accés restringit per política de l'editorial -
Label noise in subtype discrimination of class C G protein-coupled receptors: A systematic approach to the analysis of classification errors
Koenig, Caroline; Cárdenas Domíınguez, Martha Ivón; Giraldo Arjonilla, Jesús; Alquézar Mancho, René; Vellido Alcacena, Alfredo (2015-09-29)
Article
Accés obertBackground: The characterization of proteins in families and subfamilies, at different levels, entails the definition and use of class labels. When the adscription of a protein to a family is uncertain, or even wrong, this ... -
Layer-wise relevance analysis for motif recognition in the activation pathway of the ß2-adrenergic GPCR receptor
Gutiérrez Mondragón, Mario Alberto; König, Caroline; Vellido Alcacena, Alfredo (2023-01-06)
Article
Accés obertG-protein-coupled receptors (GPCRs) are cell membrane proteins of relevance as therapeutic targets, and are associated to the development of treatments for illnesses such as diabetes, Alzheimer’s, or even cancer. Therefore, ... -
Leveraging data science for a personalized haemodialysis
Hueso, Miguel; Haro Martín, Luis de; Calabria, Jordi; Dal-Re, R; Tebe, C; Gibert, Karina; Cruzado, Josep M; Vellido Alcacena, Alfredo (Karger, 2020-11)
Article
Accés obertThe 2019 Science for Dialysis Meeting at Bellvitge University Hospital was devoted to the challenges and opportunities posed by the use of data science to facilitate precision and personalized medicine in nephrology, and ... -
Long short-term memory to predict 3D amino acids positions in GPCR molecular dynamics
López Correa, Juan Manuel; König, Caroline; Vellido Alcacena, Alfredo (IOS Press, 2022)
Text en actes de congrés
Accés obertG-Protein Coupled Receptors (GPCRs) are a big family of eukaryotic cell transmembrane proteins, responsible for numerous biological processes. From a practical viewpoint around 34% of the drugs approved by the US Food and ... -
Machine learning in critical care: state-of-the-art and a sepsis case study
Vellido Alcacena, Alfredo; Ribas Ripoll, Vicent; Morales, Carlos; Ruiz Sanmartín, Adolf; Ruiz Rodriguez, Juan Carlos (2018-11-20)
Article
Accés obertBackground: Like other scientific fields, such as cosmology, high-energy physics, or even the life sciences, medicine and healthcare face the challenge of an extremely quick transformation into data-driven sciences. This ... -
Machine learning in human cancer research
Vellido Alcacena, Alfredo; Lisboa, Paulo J.G. (Nova Science Publishers, 2007)
Capítol de llibre
Accés restringit per política de l'editorialEvidence-based medicine has grown in stature over three decades and is now regarded a key development of modern medicine. The evidence base can be heterogeneous, involving both qualitative knowledge and measured quantitative ... -
Making machine learning models interpretable
Vellido Alcacena, Alfredo; Martin Guerrero, Jose D.; Lisboa, Paulo J.G. (2012)
Text en actes de congrés
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Making nonlinear manifold learning models interpretable: the manifold grand tour
Lisboa, Paulo J.G.; Martin, Jose D.; Vellido Alcacena, Alfredo (2015-12)
Article
Accés obertDimensionality reduction is required to produce visualisations of high dimensional data. In this framework, one of the most straightforward approaches to visualising high dimensional data is based on reducing complexity ... -
Manifold learning visualization of metabotropic glutamate receptors
Cárdenas Domínguez, Martha Ivón; Vellido Alcacena, Alfredo; Giraldo Arjonilla, Jesús (IOS Press, 2014)
Text en actes de congrés
Accés obertG-Protein-Coupled Receptors (GPCRs) are cell membrane proteins with a key role in biological processes. GPCRs of class C, in particular, are of great interest in pharmacology. The lack of knowledge about their 3-D structures ... -
Metrics for probabilistic geometries
Tosi, Alessandra; Hauberg, Søren; Vellido Alcacena, Alfredo; Lawrence, Neil D. (AUAI Press (Association for Uncertainty in Artificial Intelligence), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialWe investigate the geometrical structure of probabilistic generative dimensionality reduction models using the tools of Riemannian geometry. We explicitly define a distribution over the natural metric given by the models. ...