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Ara es mostren els items 14-33 de 46

    • Collection, processing and analysis of heterogeneous data coming from Spanish hospitals in the context of COVID-19 

      Barroso Isidoro, Marta; Tormos, Adrián; Pérez Arnal, Raquel Leandra; Álvarez Napagao, Sergio; García Gasulla, Dario (IOS Press, 2021)
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      The COVID-19 pandemic has already caused more than 150,000,000 cases worldwide. In Spain this has lead to a massive and simultaneous saturation of all sanitary regions. Coherently, the quick and consistent understanding ...

    • Comparative analysis of geolocation information through mobile-devices under different COVID-19 mobility restriction patterns in Spain 

      Pérez Arnal, Raquel Leandra; Conesa Ortega, David; Álvarez Napagao, Sergio; Suzumura, Toyotaro; Català Sabaté, Martí; Álvarez Lacalle, Enrique; Garcia Gasulla, Dario (Multidisciplinary Digital Publishing Institute (MDPI), 2021-02-13)
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      The COVID-19 pandemic is changing the world in unprecedented and unpredictable ways. Human mobility, being the greatest facilitator for the spread of the virus, is at the epicenter of this change. In order to study mobility ...

    • CONCIENS: organizational awareness in real-time strategy games 

      Álvarez Napagao, Sergio; Gómez Sebastià, Ignasi; Vázquez Salceda, Javier; Koch, Fernando (IOS Press, 2010)
      Comunicació de congrés
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      The implementation of AI in commercial games is usually based on low level designs that makes the control predictable, unadaptive, and non reusable. Recent algorithms such as HTN or GOAP prove that higher levels of abstraction ...

    • Discovery of spatio-temporal patterns from location based social networks 

      Béjar Alonso, Javier; Álvarez Napagao, Sergio; Garcia Gasulla, Dario; Gómez Sebastià, Ignasi; Oliva Felipe, Luis Javier; Tejeda Gómez, José Arturo; Vázquez Salceda, Javier (IOS Press, 2014)
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      Location Based Social Networks (LBSN) have become an interesting source for mining user behavior. These networks (e.g. Twitter, Instagram or Foursquare) collect spatio-temporal data from users in a way that they can be ...

    • Discovery of spatio-temporal patterns from location-based social networks 

      Béjar Alonso, Javier; Álvarez Napagao, Sergio; Garcia Gasulla, Dario; Gómez Sebastià, Ignasi; Oliva Felipe, Luis Javier; Tejeda Gómez, José Arturo; Vázquez Salceda, Javier (2015-07-20)
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      Location Based Social Networks (LBSN) like Twitter or Instagram are a good source for user spatio-temporal behavior. These networks collect data from users in such a way that they can be seen as a set of collective and ...

    • Engineering social reality with inheritance relations 

      Aldewereld, Huib; Álvarez Napagao, Sergio; Dignum, Frank; Vázquez Salceda, Javier (Springer, 2009)
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      In systems based on organisational specifications a reoccurring problem remains to be solved in the disparity between the level of abstractness of the organisational concepts and the concepts used in the implementation. ...

    • Explainable agents adapt to human behaviour 

      Tormos Llorente, Adrián; Giménez Ábalos, Víctor; Domènech Vila, Marc; Gnatyshak, Dmitry; Álvarez Napagao, Sergio; Vázquez Salceda, Javier (2023)
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      When integrating artificial agents into physical or digital environments that are shared with humans, agents are often equipped with opaque Machine Learning methods to enable adapting their behaviour to dynamic human needs ...

    • Explaining the behaviour of reinforcement learning agents in a multi-agent cooperative environment using policy graphs 

      Domènech Vila, Marc; Gnatyshak, Dmitry; Tormos Llorente, Adrián; Giménez Ábalos, Víctor; Álvarez Napagao, Sergio (2024-01-31)
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      The adoption of algorithms based on Artificial Intelligence (AI) has been rapidly increasing during the last few years. However, some aspects of AI techniques are under heavy scrutiny. For instance, in many use cases, it ...

    • GOPHER, an HPC framework for large scale graph exploration and inference 

      Josep Fabregó, Marc; Teruel García, Xavier; Giménez Ábalos, Víctor; Cirilo, Davide; Garcia Gasulla, Dario; Álvarez Napagao, Sergio; Garcia Gasulla, Marta; Ayguadé Parra, Eduard; Valencia, Alfonso (Springer, 2020)
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      Biological ontologies, such as the Human Phenotype Ontology (HPO) and the Gene Ontology (GO), are extensively used in biomedical research to investigate the complex relationship that exists between the phenome and the ...

    • Healthy Twitter discussions? Time will tell 

      Gnatyshak, Dmitry; Garcia Gasulla, Dario; Álvarez Napagao, Sergio; Arjona Martínez, Jamie; Venturini, Tommaso (2022-03-21)
      Report de recerca
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      Studying misinformation and how to deal with unhealthy behaviours within online discussions has recently become an important field of research within social studies. With the rapid development of social media, and the ...

    • knowlEdge Project –Concept, methodology and innovations for artificial intelligence in industry 4.0 

      Álvarez Napagao, Sergio; Ashmore, Boki; Barroso Isidoro, Marta; Barrué Subirana, Cristian; Beecks, Christian; Berns, Fabian; Garcia Gasulla, Marta; Jakubiak, Natalia; Megias Montsesinos, Pedro; Sànchez-Marrè, Miquel (Institute of Electrical and Electronics Engineers (IEEE), 2021)
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      AI is one of the biggest megatrends towards the 4th industrial revolution. Although these technologies promise business sustainability as well as product and process quality, it seems that the ever-changing market demands, ...

    • Large scale prediction of sick leave duration with nonlinear survival analysis algorithms 

      Béjar Alonso, Javier; Pérez Arnal, Raquel Leandra; Vilalta, Armand; Álvarez Napagao, Sergio; García Gasulla, Dario (2022-07-15)
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      The management of sick leaves is a critical task that public and private health systems carry out. This enables the good care of sick workers and guarantees a safe return to their jobs. Most health systems enforce regulations ...

    • Making games ALIVE: an organisational approach 

      Álvarez Napagao, Sergio; Koch, Fernando; Gómez Sebastià, Ignasi; Vázquez Salceda, Javier (Springer Verlag, 2010)
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      The AI techniques used in commercial games are usually predictable, inflexible and unadaptive, causing a lack of realism for the player. In this paper, we introduce a proposal of integrating the ALIVE framework, based on ...

    • Making norms concrete 

      Aldewereld, Huib; Álvarez Napagao, Sergio; Dignum, Frank; Vázquez Salceda, Javier (2010)
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      In systems based on organisational specifications a reoccurring problem remains to be solved in the disparity between the level of abstractness of the organisational concepts and the concepts used in the implementation. ...

    • Making smart cities smarter using artificial intelligence techniques for smarter mobility 

      Vázquez Salceda, Javier; Álvarez Napagao, Sergio; Tejeda Gómez, José Arturo; Oliva Felipe, Luis Javier; Garcia Gasulla, Dario; Gómez Sebastià, Ignasi; Codina Busquet, Víctor (SciTePress, 2014)
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      The term Smart City is tipically applied to urban and metropolitan areas where Information and Communication Technologies provide ways to enable social, cultural and urban development, improving social and political ...

    • Norms, organisations and semantic web services: The ALIVE approach 

      Álvarez Napagao, Sergio; Cliffe, Owen; Vázquez Salceda, Javier; Padget, Julián (2009)
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      ALIVE is an EU FP7 STREP whose goal is the convergence of organisational and normative modelling with and service-oriented architectures (SOAs) using model-driven software engineering. The project provides a framework ...

    • Obstruction level detection of sewers videos using convolutional neural networks 

      Gutiérrez Mondragón, Mario Alberto; Garcia Gasulla, Dario; Álvarez Napagao, Sergio; Brossa Ordoñez, Jaume; Gimenez Esteban, Rafael (International journal of structural and civil engineering research (IJSCER), 2021)
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      Worldwide, sewer networks are designed to transport wastewater to a centralized treatment plant to be treated and returned to the environment. This is a critical process for preventing waterborne illnesses, providing safe ...

    • OperA/ALIVE/OperettA 

      Aldewereld, Huib; Álvarez Napagao, Sergio; Dignum, Virginia; Jiang, Jie; Vasconcelos, Wamberto; Vázquez Salceda, Javier (Springer, 2016-08-17)
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      Comprehensive models for organizations must, on the one hand, be able to specify global goals and requirements but, on the other hand, cannot assume that particular actors will always act according to the needs and ...

    • Reasoning about abductive inferences in BDI agents 

      Lopes, João Sousa; Álvarez Napagao, Sergio; Reis, Susana; Vázquez Salceda, Javier (2009-04-24)
      Report de recerca
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      The capability of a computational system to deal with unexpected, changing situations and limited perception of the environment is becoming more a more relevant, in oder to make systems flexible and more reliable. Multi-agent ...

    • Situated agents and humans in social interaction for elderly healthcare: the case of COAALAS 

      Gómez Sebastià, Ignasi; Álvarez Napagao, Sergio; Garcia Gasulla, Dario; Cortés García, Claudio Ulises (2013)
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      Assistive Technologies (AT) are an application area where several Artificial Intelligence techniques and tools have been successfully applied to support elder or impeded people on their daily activities. However, approaches ...