Browsing Departament: Llenguatges i Sistemes Informàtics by Title

Now showing items 21-40 of 543

    • openAccess   A Guide to Applying the Sex-Gender Perspective to Nutritional Genomics 

      Corella, Dolores; Coltell, Oscar; Portolés, Olga; Sotos-Prieto, Mercedes; Fernández-Carrión, Rebeca; Ramírez-Sabio, Judith B.; Zanón-Moreno, Vicente; Mattei, Josiemer; Sorlí, José V; Ordovás Muñoz, José M. MDPI (2019)
      Precision nutrition aims to make dietary recommendations of a more personalized nature possible, to optimize the prevention or delay of a disease and to improve health. Therefore, the characteristics (including sex) of ...

    • openAccess   A Heuristic Based on the Intrinsic Dimensionality for Reducing the Number of Cyclic DTW Comparisons in Shape Classification and Retrieval Using AESA 

      Palazón González, Vicente; Marzal Varó, Andrés Springer Berlin Heidelberg (2012)
      Cyclic Dynamic Time Warping (CDTW) is a good dissimilarity of shape descriptors of high dimensionality based on contours, but it is computationally expensive. For this reason, to perform recognition tasks, a method to ...

    • openAccess   A High Dietary Glycemic Index Increases Total Mortality in a Mediterranean Population at High Cardiovascular Risk 

      Castro-Quezada, Itandehui; Sánchez-Villegas, Almudena; Estruch, Ramon; Salas-Salvadó, Jordi; Corella, Dolores; Schoreder, Helmut; Álvarez-Pérez, Jacqueline; Ruiz-López, María Dolores; Artacho, Reyes; Ros, Emilio; Bulló, Mònica; Covas Planells, María Isabel; Ruiz-Gutiérrez, Valentina; Ruiz-Canela, Miguel; Buil-Cosiales, Pilar; Gómez-Gracia, Enrique; Lapetra, José; Pintó, Xavier; Arós, Fernando; Fiol Ramis, Miquel; Lamuela Raventós, Rosa María; Martínez González, Miguel Ángel; Serra-Majem, Lluis; PREDIMED Investigators Public Library of Science (2014)
      Objective: Different types of carbohydrates have diverse glycemic response, thus glycemic index (GI) and glycemic load (GL) are used to assess this variation. The impact of dietary GI and GL in all-cause mortality is ...

    • openAccess   A hybrid method to face class overlap and class imbalance on neural networks and multi-class scenarios 

      Alejo Eleuterio, Roberto; Valdovinos Rosas, Rosa María; García, Vicente; Pacheco Sánchez, J. H. Elsevier (2013)
      Class imbalance and class overlap are two of the major problems in data mining and machine learning. Several studies have shown that these data complexities may affect the performance or behavior of artificial neural ...

    • openAccess   A Kinect-Based Interactive System for Home-Assisted Active Aging 

      Fuertes Muñoz, Gabriel; Mollineda, Ramón A.; Pla, Filiberto MDPI (2021)
      Virtually every country in the world is facing an unprecedented challenge: society is aging.Assistive technologies are expected to play a key role in promoting healthy lifestyles in the elderly.This paper presents a ...

    • closedAccess   A Kinect-Based System for 3D Reconstruction of Sewer Manholes 

      Bellés, Cristóbal; Pla, Filiberto Wiley (2015)
      A system for automatic 3D modeling of sewer manholes using two Microsoft Kinect sensors is presented. The hardware design is based on a hand-held scanner that includes two Kinect sensors, a mini-PC and LED-based illumination ...

    • openAccess   A literature review on the application of evolutionary computing to credit scoring 

      Marqués Marzal, Ana Isabel; García, Vicente; Sánchez Garreta, Josep Salvador Palgrave Macmillan (2013)
      The last years have seen the development of many credit scoring models for assessing the creditworthiness of loan applicants. Traditional credit scoring methodology has involved the use of statistical and mathematical ...

    • openAccess   A Location Aware Mobile Tool for Direct and Indirect Climate Data Sensors 

      Ramos, Jose Francisco; Monfort Muriach, Aida; Huerta, Joaquin Wiley (2014-06)
      Access to GIS data from mobile platforms continues to be a challenge and there is a wide range of fields where it is extremely useful. In this work, we combined three key aspects: climate data sensors, mobile platforms and ...

    • openAccess   A lower bound for the area of Plateau foams 

      Gimeno, Vicent; Markvorsen, Steen; Martínez Sotoca, José Springer (2020-04-07)
      Real foams can be viewed as geometrically well-organized dispersions of more or less spherical bubbles in a liquid. When the foam is so drained that the liquid content significantly decreases, the bubbles become polyhedral-like ...

    • openAccess   A Meta-model for the Guideline Definition Language 

      Grangel Seguer, Reyes; Campos Sancho, Cristina; Martínez-Salvador, Begoña; Marcos, Mar SciTePress (2021-7-6)
      Computer-Interpretable Guidelines (CIGs) are a key issue to implement decision support systems that could help clinical practice. To represent these guidelines numerous modeling languages, such as PROforma, Asbru, or GLIF, ...

    • openAccess   A Meta-Review of Indoor Positioning Systems 

      Mendoza-Silva, Germán Martín; Torres-Sospedra, Joaquín; Huerta, Joaquin MDPI (2019)
      An accurate and reliable Indoor Positioning System (IPS) applicable to most indoor scenarios has been sought for many years. The number of technologies, techniques, and approaches in general used in IPS proposals is ...

    • closedAccess   A Methodological Construction of an Efficient Sequentially Consistent Distributed Shared Memory 

      Cholvi, Vicent; Fernández Anta, Antonio; Jiménez, Ernesto; Manzano, Pilar; raynal, michel Oxford University Press (2010)
      The paper proposes a simple protocol that ensures sequential consistency. The protocol assumes that the shared memory abstraction is supported by the local memories of nodes that can communicate only by exchanging messages ...

    • openAccess   A Mobile Query Service for Integrated Access to Large Numbers of Online Semantic Web Data Sources 

      Van Woensel, William; Casteleyn, Sven Elsevier (2016-01)
      From the Semantic Web’s inception, a number of concurrent initiatives have given rise to multiple segments: large semantic datasets, exposed by query endpoints; online Semantic Web documents, in the form of RDF files; and ...

    • openAccess   A model of self-avoiding random walks for searching complex networks 

      López Millán, Víctor M.; Cholvi, Vicent; López, Luis; Fernández Anta, Antonio John Wiley & Sons (2012)
      Random walks have been proven useful in several applications in networks. Some variants of the basic random walk have been devised pursuing a suitable trade-off between better performance and limited cost. A self-avoiding ...

    • closedAccess   A Multiresolution Approach to Render 3D Models 

      Ramos, Jose Francisco; Chover, Miguel; Ripollés Mateu, Oscar Enrique IOS Press (2013)
      Image synthesis techniques are present in a wide range of applications as they leverage the amount of information required for creating realistic visualizations. For fast hardware rendering they usually employ a triangle-based ...

    • closedAccess   A new pedestrian detection descriptor based on the use of spatial recurrences 

      Serra Toro, Carlos; Traver Roig, Vicente Javier Springer-Verlag (2011)
      Recent work on pedestrian detection has relied on the concept of local co-occurences of features to propose higher-order, richer descriptors. While this idea has proven to be benefitial for this detection task, it fails ...

    • closedAccess   A parametrized algorithm that implements sequential, causal, and cache memory consistencies 

      Jiménez, Ernesto; Fernández Anta, Antonio; Cholvi, Vicent Elsevier (2008)
      In this paper, we present an algorithm that can be used to implement sequential, causal, or cache consistency in distributed shared memory (DSM) systems. For this purpose it includes a parameter that allows us to choose ...

    • openAccess   A realistic evaluation of indoor positioning systems based on Wi-Fi fingerprinting: The 2015 EvAAL–ETRI competition 

      Torres-Sospedra, Joaquín; Moreira, Adriano; Knauth, Stefan; Berkvens, Rafael; Montoliu Colás, Raul; Belmonte-Fernández, Óscar; Trilles, Sergio; Nicolau, Maria João; Meneses, Filipe; Costa, António; Koukofikis, Athanasios; Weyn, Maarten; Peremans, Herbert IOS press (2017-02)
      This paper presents results from comparing different Wi-Fi fingerprinting algorithms on the same private dataset. The algorithms where realized by independent teams in the frame of the off-site track of the EvAAL–ETRI ...

    • openAccess   A regression model based on the nearest centroid neighborhood 

      García, Vicente; Sánchez Garreta, Josep Salvador; Marqués Marzal, Ana Isabel; Martínez-Peláez, Rafael Springer Verlag (2018)
      The renowned k-nearest neighbor decision rule is widely used for classification tasks, where the label of any new sample is estimated based on a similarity criterion defined by an appropriate distance function. It has also ...

    • closedAccess   A rejection option for the multilayer perceptron using hyperplanes 

      Valdovinos Rosas, Rosa María; Gasca, Eduardo; Rendón, Eréndira; Abundez, Itzel; Cruz, Rafael; Velásquez, Valentín; Saldaña, Sergio; Sánchez Garreta, Josep Salvador (2011)
      Currently, a growing quantity of the Artificial Intelligence tasks demand a high efficiency of the classification systems (classifiers); making an error in the classification of an object or event can cause serious problems. ...