Recent Submissions

  • A software tool for e-assessment of relational database skills 

    Abelló Gamazo, Alberto; Burgués Illa, Xavier; Casany Guerrero, María José; Martín Escofet, Carme; Quer Bosor, Maria Carme; Rodríguez González, M. Elena; Romero Moral, Óscar; Urpí Tubella, Antoni (Tempus Publications, 2016-01-01)
    Article
    Restricted access - publisher's policy
    The objective of this paper is to present a software tool for the e-assessment of relational database skills. The tool is referred to as LearnSQL (Learning Environment for Automatic Rating of Notions of SQL). LearnSQL is ...
  • Leveraging online user feedback to improve statistical machine translation 

    Formiga, Lluís; Barrón-Cedeño, Alberto; Marquez, Lluis; Henriquez, Carlos A; Mariño Acebal, José Bernardo (2015-09-01)
    Article
    Open Access
    In this article we present a three-step methodology for dynamically improving a statistical machine translation (SMT) system by incorporating human feedback in the form of free edits on the system translations. We target ...
  • On the process of building a process systems engineering ontology using a semi-automatic construction approach 

    Dombayci, Canan; Farreres de la Morena, Xavier; Rodríguez Hontoria, Horacio; Muñoz Mata, Edrisi; Capon Garcia, Elisabeth; Espuña Camarasa, Antonio; Graells Sobré, Moisès (2015-06)
    Article
    Open Access
    This work presents a novel systematic approach for the construction of domain ontologies. The suggested approach uses a semi-automatic construction methodology. For this study, parent-child concept pairs are taken from a ...
  • On the process of building a process system engineering ontology using a semi-automatic construction approach 

    Dombayci, Canan; Farreres de la Morena, Xavier; Rodríguez Hontoria, Horacio; Muñoz Mata, Edrisi; Capon Garcia, Elisabeth; Espuña Camarasa, Antonio; Graells Sobré, Moisès (2015-06)
    Article
    Restricted access - publisher's policy
    This work presents a novel systematic approach for the construction of domain ontologies. The suggested approach uses a semi-automatic construction methodology. For this study, parent-child concept pairs are taken from a ...
  • Fault Diagnosis of Chemical Processes with incomplete observation: A comparative study 

    Askarian, Mahdieh; Escudero Bakx, Gerard; Graells Sobré, Moisès; Zarghami, Reza; Jalali Farahani, Farhang; Mostoufi, Navid (Pergamon Press, 2016-01)
    Article
    Restricted access - publisher's policy
    An important problem to be addressed by diagnostic systems in industrial applications is the estimation of faults with incomplete observations. This work discusses different approaches for handling missing data, and ...
  • Fault diagnosis of chemical processes with incomplete observations: A comparative study 

    Askarian, Mahdieh; Escudero Bakx, Gerard; Graells Sobré, Moisès; Zarghami, Reza; Jalali Farahani, Farhang; Mostoufi, Navid (Pergamon Press, 2016-01-04)
    Article
    Restricted access - publisher's policy
    An important problem to be addressed by diagnostic systems in industrial applications is the estimation of faults with incomplete observations. This work discusses different approaches for handling missing data, and ...
  • TweetNorm: a benchmark for lexical normalization of spanish tweets 

    Alegria, Iñaki; Aranberri, Nora; Comas Umbert, Pere Ramon; Fresno, Víctor; Gamallo, Pablo; Padró, Lluís; San Vicente Roncal, Iñaki; Turmo Borras, Jorge; Zubiaga, Arkaitz (2015-12-01)
    Article
    Open Access
    The language used in social media is often characterized by the abundance of informal and non-standard writing. The normalization of this non-standard language can be crucial to facilitate the subsequent textual processing ...
  • Unsupervised ensemble minority clustering 

    Gonzàlez Pellicer, Edgar; Turmo Borras, Jorge (2015-01)
    Article
    Restricted access - publisher's policy
    Cluster analysis lies at the core of most unsupervised learning tasks. However, the majority of clustering algorithms depend on the all-in assumption, in which all objects belong to some cluster, and perform poorly on ...
  • ¿Es sostenible la Estrella de la Muerte? 

    Sánchez Carracedo, Fermín; García Almiñana, Jordi; Vidal López, Eva María; López Álvarez, David; Cabré Garcia, José M.; García García, Helena; Alier Forment, Marc; Martín Escofet, Carme (2015-09)
    Article
    Open Access
    El futuro será sostenible o no será. Por eso, es fundamental que todos los Trabajos de Fin de Grado (TFG) de las ingenierías incorporen un estudio de sostenibilidad que analice su impacto ambiental, social y económico. ...
  • Zipf's law for word frequencies: Word forms versus lemmas in long texts 

    Corral, Alvaro; Boleda Torrent, Gemma; Ferrer Cancho, Ramon (2015-07-09)
    Article
    Open Access
    Zipf's law is a fundamental paradigm in the statistics of written and spoken natural language as well as in other communication systems. We raise the question of the elementary units for which Zipf's law should hold in the ...

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