Exploració per autor "Álvarez Napagao, Sergio"Més informacióMés informació

Ara es mostren els items 30-46 de 46

    • 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)
      Capítol de llibre
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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 ...

    • Social network data analysis for event detection 

      Garcia Gasulla, Dario; Álvarez Napagao, Sergio; Tejeda Gómez, José Arturo; Oliva Felipe, Luis Javier; Gómez Sebastià, Ignasi; Béjar Alonso, Javier; Vázquez Salceda, Javier (IOS Press, 2014)
      Comunicació de congrés
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      Cities concentrate enough Social Network (SN) activity to empower rich models. We present an approach to event discovery based on the information provided by three SN, minimizing the data properties used to maximize the ...

    • Socially-aware emergent narrative 

      Álvarez Napagao, Sergio; Gómez Sebastià, Ignasi; Panagiotidi, Sofia; Tejeda Gómez, José Arturo; Oliva Felipe, Luis Javier; Vázquez Salceda, Javier (2012)
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      In agent research, emergent narrative aims for practical solutions to the narrative paradox problem in both drama and interactive scenarios. At the same time, organisational frameworks can be used in games to provide ...

    • Society of situated agents for adaptable eldercare 

      Gómez Sebastià, Ignasi; Garcia Gasulla, Dario; Álvarez Napagao, Sergio (2011-10-01)
      Article
      Accés restringit per política de l'editorial
      Assistive technologies are applied to support people in their daily life. Most approaches focus solely on the direct interaction between users – in our case, disabled patients - and the assistive tool, but Artificial ...

    • Testing reinforcement learning explainability methods in a multi-agent cooperative environment 

      Domènech Vila, Marc; Gnatyshak, Dmitry; Tormos Llorente, Adrián; Álvarez Napagao, Sergio (IOS Press, 2022)
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      The adoption of algorithms based on Artificial Intelligence (AI) has been rapidly increasing during the last years. However, some aspects of AI techniques are under heavy scrutiny. For instance, in many cases, it is not ...

    • The ethical use of high-performance computing and artificial intelligence: fighting COVID-19 at Barcelona Supercomputing Center 

      Cortés García, Claudio Ulises; Cortés Martínez, Atia; García Gasulla, Dario; Pérez Arnal, Raquel Leandra; Álvarez Napagao, Sergio; Álvarez Lacalle, Enrique (Springer Science and Business Media LLC, 2022-05)
      Article
      Accés obert
      The COVID-19 pandemic has created an extraordinary medical, economic and humanitarian emergency. Artificial intelligence, in combination with other digital technologies, is being used as a tool to support the fight against ...

    • The impact of COVID-19 on flight networks 

      Suzumura, Toyotaro; Kanezashi, Hiroki; Dholakia, Mishal; Ishii, Euma; Álvarez Napagao, Sergio; Pérez Arnal, Raquel Leandra; García Gasulla, Dario (Institute of Electrical and Electronics Engineers (IEEE), 2020)
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      As COVID-19 transmissions spread worldwide, governments have announced and enforced travel restrictions to prevent further infections. Such restrictions have a direct effect on the volume of international flights among ...

    • Towards a framework for the analysis of regulative norm performance in complex networks 

      Oliva Felipe, Luis Javier; Álvarez Napagao, Sergio; Vázquez Salceda, Javier (2012)
      Comunicació de congrés
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      Systemic analysis of dynamics in complex networks has allured interest from different fields. Norms are a mechanism that can be useful to govern or guide the behavior of agents in such scenarios. Such effects of norms can ...

    • Towards a goal-oriented agent-based simulation framework for high-performance computing 

      Gnatyshak, Dmitry; Oliva Felipe, Luis Javier; Álvarez Napagao, Sergio; Padget, Julián; Vázquez Salceda, Javier; Garcia Gasulla, Dario; Cortés García, Claudio Ulises (IOS Press, 2019)
      Comunicació de congrés
      Accés obert
      Currently, agent-based simulation frameworks force the user to choose between simulations involving a large number of agents (at the expense of limited agent reasoning capability) or simulations including agents with ...

    • Towards an implementation of a social electronic reminder for pills 

      Gómez Sebastià, Ignasi; Garcia Gasulla, Dario; Álvarez Napagao, Sergio; Vázquez Salceda, Javier; Cortés García, Claudio Ulises (2012)
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      Non-compliance with prescribed medication is a major problem for elder people living alone in developed countries. Forgetfulness and confusion can lead to it, specially when multiple pathologies require a cocktail of diff ...

    • Urban context detection and context-aware recommendation via networks of "humans as sensors" 

      Álvarez Napagao, Sergio; Tejeda Gómez, José Arturo; Oliva Felipe, Luis Javier; Garcia Gasulla, Dario; Codina Busquet, Víctor; Gómez Sebastià, Ignasi; Vázquez Salceda, Javier (Springer, 2015)
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      The wide adoption of smart mobile devices makes the concept of human as a sensor possible, opening the door to new ways of solving recurrent problems that occur in everyday life by taking advantage of the information these ...

    • USE: a concept-based recommendation system to support creative search 

      Sousa Lopes, João; Álvarez Napagao, Sergio; Vázquez Salceda, Javier (IEEE Computer Society Publications, 2009)
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      Semiotics is a field on which research in Computer Science methodologies has focused, mainly concerning Syntax and Semantics. These methodologies, however, are lacking some flexibility for the continuously evolving web ...

    • USE: a multi-agent user-driven recommendation system for semantic knowledge extraction 

      Lopes, João Sousa; Álvarez Napagao, Sergio; Confalonieri, Roberto; Vázquez Salceda, Javier (2009-06-15)
      Report de recerca
      Accés obert
      Semiotics is a field where research on Computer Science methodologies has focused, mainly concerning Syntax and Semantics. These methodologies, however, are lacking of some flexibility for the continuously evolving web ...

    • Word sense ranking based on semantic similarity and graph entropy 

      Sousa Lopes, João; Álvarez Napagao, Sergio; Vázquez Salceda, Javier (2009-06-15)
      Report de recerca
      Accés obert
      In this paper we propose a system for the recommendation of tagged pictures obtained from the Web. The system, driven by user feedback, executes an abductive reasoning (based on WordNet synset semantic relations) that is ...