924 research outputs found

    Avulsión del tendón de origen del músculo extensor digital largo (EDL) : un caso clínico

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    La avulsion del tendon de origen del musculo EDL es una patologia poco frecuente. Suele presentarse en perros jovenes de raza grande y crecimiento rapido. Una vez diagnosticado, el tratamiento quirurgico suele ofrecer excelentes resulatdos y en ausencia del mismo la evolucion es hacia una enfermedad articular degenerativa

    Cyber-Physical Systems for Micro-/Nano-assembly Operations: a Survey

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    Abstract Purpose of Review Latest requirements of the global market force manufacturing systems to a change for a new production paradigm (Industry 4.0). Cyber-Physical Systems (CPS) appear as a solution to be deployed in different manufacturing fields, especially those with high added value and technological complexity, high product variants, and short time to market. In this sense, this paper aims at reviewing the introduction level of CPS technologies in micro/nano-manufacturing and how these technologies could cope with these challenging manufacturing requirements. Recent Findings The introduction of CPS is still in its infancy on many industrial applications, but it actually demonstrates its potential to support future manufacturing paradigm. However, only few research works in micro/nano-manufacturing considered CPS frameworks, since the concept barely appeared a decade ago. Summary Some contributions have revealed the potential of CPS technologies to improve manufacturing performance which may be scaled to the micro/nano-manufacturing. IoT-based frameworks with VR/AR technologies allow distributed and collaborative systems, or agent-based architectures with advance algorithm implementations that improve the flexibility and performance of micro-/nano-assembly operations. Future research of CPS in micro-/nano-assembly operations should be followed by more studies of its technical deployment showing its implications under other perspectives, i.e. sustainable, economic, and social point of views, to take full advance of all its features

    El examen serológico con muestras de sangre obtenidas en papel de filtro

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    Se ha puesto a punto una técnica de obtención de sangre total en papel filtro para el muestreo serológico de enfermedades de los conejos tales como: Enfermedad Hemorrágica Viral (RHVD); Encephalitozoonosis; Chlamydia psittaci y Mixomatosis. Se propone como alternativa de muestreo para la determinación de anticuerpos, por ser un método sencillo que no requiere muchos cuidados en el envío al laboratorio. Se evaluaron 94 muestras de suero de conejos llegados al laboratorio para el diagnóstico de las entidades antes citadas. Los resultados serológicos de la muestras de sangre total obtenida por venipuntura y en papel filtro, fueron comparados. Los métodos empleados incluyeron: Inmunofluorescencia Indirecta (IFI) para detectar IgG, Carbón inmunoensayo (CIA) e Inhibición de la Hemoaglutinación (IHA) para la evaluación de anticuerpos totales. Los resultados de sensibilidad, especificidad, índice de concordancia y valores predictivos positivos y negativos obtenidos en este trabajo fueron satisfactorios y nos permitieron decir que la toma y el transporte de muestras de sangre en papel de filtro es una técnica útil con sensibilidad y especificidad adecuada para realizar estudios seroepidemiológicos en conejos

    Calçots i calçotades : compte amb els gossos!

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    Tot i les innegables particularitats de cultiu i gastronòmiques que fan dels calçots un àpat de temporada molt valorat, saludable, distintiu i estimat entre els catalans, no s'hauria d'oblidar que continuen sent cebes. I és que encara hi ha força persones que desconeixen que cebes, alls i altres representants de la família de les liliàcies, que nosaltres mengem habitualment sense problemes, poden resultar tòxics i fins i tot letals per molts animals domèstics, entre els que es troben els gossos i els gats. En les populars calçotades, on moltes vegades estem acompanyats dels nostres gossos, els propietaris haurien de vigilar de no deixar a l'abast dels animals els calçots o restes d'ells, ja que el seu gust dolcenc pot resultar atractiu per alguns individus afamats o curiosos.A pesar de las innegables particularidades de cultivo y gastronómicas que hacen de los calçots (cebolletas tiernas) una comida de temporada muy valorada, saludable, distintiva y querida entre los catalanes, no se tendría que olvidar que continúan siendo cebollas. Y es que todavía hay bastantes personas que desconocen que cebollas, ajos y otros representantes de la familia de las liliácias, que nosotros comemos habitualmente sin problemas, pueden resultar tóxicos e incluso letales para muchos animales domésticos, entre los que se encuentran los perros y los gatos. En las populares calçotadas, donde muchas veces estamos acompañados de nuestros perros, los propietarios tendrían que vigilar de no dejar al alcance de los animales los calçots o restos de ellos, ya que su sabor dulzón puede resultar atractivo para algunos individuos hambrientos o curiosos

    Multi-dimensional adaptation in MAS organizations

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    © 2013 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.Organization adaptation requires determining the consequences of applying changes not only in terms of the benefits provided but also measuring the adaptation costs as well as the impact that these changes have on all of the components of the organization. In this paper, we provide an approach for adaptation in multiagent systems based on a multidimensional transition deliberation mechanism (MTDM). This approach considers transitions in multiple dimensions and is aimed at obtaining the adaptation with the highest potential for improvement in utility based on the costs of adaptation. The approach provides an accurate measurement of the impact of the adaptation since it determines the organization that is to be transitioned to as well as the changes required to carry out this transition. We show an example of adaptation in a service provider network environment in order to demonstrate that the measurement of the adaptation consequences taken by the MTDM improves the organization performance more than the other approaches.Manuscript received January 2, 2012; revised July 26, 2012; accepted August 7, 2012. Date of publication August 31, 2012; date of current version April 16, 2013. This work was supported in part by projects TIN2008-04446 and TIN2009-13839-C03-01. J. M. Alberola received a Grant from Ministerio de Ciencia e Innovacion de Espana (AP2007-00289). This paper was recommended by Associate Editor J. Huang.Alberola Oltra, JM.; Julian Inglada, VJ.; García-Fornes, A. (2013). Multi-dimensional adaptation in MAS organizations. IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics. 43(2):622-633. https://doi.org/10.1109/TSMCB.2012.2213592S62263343

    A board game-based virtual environment for intelligent bots programming,

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    [EN] Nowadays, there are few virtual environments based on board games with a didactic purpose. In fact, a new board game-based environment is rarely created for training bots unless it is necessary for a study. However, the development of intelligent bots applied to such games would be a stimulus to motivate disciplines such as programming or Artificial Intelligence. In this paper, we present a virtual environment based on a well-known board game such as Catan, which allows the incorporation of bots that can play against each other. In this sense, the virtual environment allows the development of new bots with their respective own strategies and algorithms, so that simulations of games can be carried out to measure their effectiveness. In addition, it also allows the simulation of multiple games to develop bots that incorporate learning techniques based on Artificial Intelligence or Machine Learning. In this sense, the virtual environment offers a very interesting tool to be used in subjects related to these disciplinesHeras, A.; Sanchez-Anguix, V.; Alberola Oltra, JM.; Pérez Pascual, MA. (2023). A board game-based virtual environment for intelligent bots programming,. IATED. 1-7. https://doi.org/10.21125/inted.2023.08511

    Metrics for privacy assessment when sharing information in online social networks

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    (c) 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.[EN] Privacy risk in Online Social Networks has become an important social concern. Users, with different perceptions of risk, share information without considering the audience that has access to the information disclosed or how far a publication will go. According to this, we propose two metrics (Audience and Reachability) based on information flows and friendship layers that indicate the privacy risk of sharing information, addressing the posts¿ scope and invisible audience. We assess these metrics through agent simulations in well-known models of networks. The findings show a strong relationship between metrics and structural centrality network properties. We also studied scenarios where there is no previous information about users activity or the information about the traces of the messages cannot be obtained. To deal with privacy assessment in these scenarios, we analyze the relationship between the proposed privacy metrics and local centrality properties as an estimation of privacy risk. The results showed that effectiveness centrality can be used as a suitable approximation of the proposed privacy measures.This work was supported in part by the Spanish Government project under Grant TIN2017-89156-R, and in part by the FPI under Grant BES-2015-074498.Alemany-Bordera, J.; Del Val Noguera, E.; Alberola Oltra, JM.; García-Fornes, A. (2019). Metrics for privacy assessment when sharing information in online social networks. IEEE Access. 7:143631-143645. https://doi.org/10.1109/ACCESS.2019.2944723S143631143645
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