Enviaments recents

  • Lenguajes de representación del conocimiento basados en frames: estudio comparativo 

    Abad Soriano, María Teresa; Armengol Voltas, Eva; Blanco, Miguel Ángel; Castell Ariño, Núria; Delgado, Lourdes; Garijo, Francisco J.; González, Juan; Martí Antonin, Maria Antònia; Ribas Framis, Francesc; Rodríguez Hontoria, Horacio; Urretavizcaya, Maite; Verdejo Maillo, Maria Felisa; Vila Grabulosa, Lluís (1987)
    Report de recerca
    Accés obert
    Este documento es el resultado del seminario de trabajo del grupo G.U.I.A. sobre herramientas de representación del conocimiento llevado a cabo desde Octubre del 86 a Junio del 87. El objetivo principal es establecer una ...
  • Towards automatic construction of domain ontologies: Application to ISA88 and assessment 

    Farreres de la Morena, Xavier; Graells Sobré, Moisès; Rodríguez Hontoria, Horacio; Espuña Camarasa, Antonio (2013)
    Report de recerca
    Accés obert
    Process Systems Engineering has shown a growing interest on ontologies to develop knowledge models, organize information, and produce software accordingly. Although software tools supporting the structure of ontologies ...
  • Combining Wikipedia and WordNet for improving domain terms compilation 

    Vivaldi, Jorge; Rodríguez Hontoria, Horacio; Rigau Claramunt, German (2013)
    Report de recerca
    Accés obert
    Domain terms are a useful mean for tuning both resources and NLP processors to domain specific tasks. This paper proposes an improved method for obtaining terms from potentially any domain using the Wikipedia graph structure ...
  • A Bootstrapping architecture for time expression recognition in unlabelled corpora via syntactic-semantic patterns 

    Poveda Poveda, Jordi; Surdeanu, Mihai; Turmo Borras, Jorge (2007-06)
    Report de recerca
    Accés obert
    In this paper we describe a semi-supervised approach to the extraction of time expression mentions in large unlabelled corpora based on bootstrapping. Bootstrapping techniques rely on a relatively small amount of initial ...
  • SVMTool: a general POS tagger generator based on support vector machines 

    Giménez Linares, Jesús Ángel; Màrquez Villodre, Lluís (2004-05-19)
    Report de recerca
    Accés obert
    This paper presents the SVMTool , a simple, flexible, effective and efficient part-of-speech tagger based on Support Vector Machines. The SVMTool offers a fairly good balance among these properties which make it really ...
  • Developing competitive HMM PoS taggers using small training corpora 

    Padró Cirera, Montserrat; Padró, Lluís (2004-06)
    Report de recerca
    Accés obert
    This paper presents a study aiming to find out the best strategy to develop a fast and accurate HMM tagger when only a limited amount of training material is available. This is a crucial factor when dealing with languages ...
  • The AlignmentSet toolkit 

    Lambert, Patrik (2004-06)
    Report de recerca
    Accés obert
    The Lingua-AlignmentSet distribution is a Perl Tools Library (and command-line utilities) to handle an Alignment Set, i.e. a set of sentences aligned at the word (or phrase) level. It provides methods to display the links, ...
  • Boosting trees for anti-spam email filtering (Extended version) 

    Carreras Pérez, Xavier; Màrquez Villodre, Lluís (2001-10)
    Report de recerca
    Accés obert
    In this work, a set of comparative experiments for the problem of automatically filtering unwanted electronic mail messages are performed on two public corpora: PU1 and LingSpam. Several variants of the AdaBoost algorithm ...
  • Strategies to tackle problematic input in a Spanish dialogue system 

    Arranz Corzana, María Victoria; Castell Ariño, Núria; Civit Torruella, Montserrat (2001-11)
    Report de recerca
    Accés obert
    This paper focuses on the strategies adopted to tackle problematic input and ease communication between modules in a Spanish railway information dialogue system for spontaneous speech. The paper describes the design and ...
  • Analyzing temporal integrity constraints to obtain the minimum number of transition rules 

    Martín Escofet, Carme (2001-12)
    Report de recerca
    Accés obert
    The aim of this paper is to obtain advantages for integrity constraint checking in bitemporal deductive databases, analyzing the temporal integrity constraint behaviour. First at all, a new taxonomy of temporal integrity ...

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