Listar por autor "Penabad, Miguel R."

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    • Classic distance join queries using compact data structures 

      Bernardo, Guillermo de; Penabad, Miguel R.; Corral, Antonio; Brisaboa, Nieves R. (Elsevier, 2024-07)
      [Abstract]: Distance-based Join Queries (DJQs) have multiple applications in spatial databases, Geographic Information Systems, and other areas. The K Closest Pairs Query (KCPQ) and the 𝜀� Distance Join Query (𝜀� DJQ) ...

    • Compressed Data Structures for Binary Relations in Practice 

      Quijada Fuentes, Carlos; Penabad, Miguel R.; Ladra, Susana; Gutiérrez Retamal, Gilberto (Institute of Electrical and Electronics Engineers, 2020-01-31)
      [Abstract] Binary relations are commonly used in Computer Science for modeling data. In addition to classical representations using matrices or lists, some compressed data structures have recently been proposed to represent ...

    • Efficient Representation of Multidimensional Data over Hierarchical Domains 

      Brisaboa, Nieves R.; Cerdeira-Pena, Ana; López López, Narciso; Navarro, Gonzalo; Penabad, Miguel R.; Silva-Coira, Fernando (Springer, 2016-09-21)
      [Abstract] We consider the problem of representing multidimensional data where the domain of each dimension is organized hierarchically, and the queries require summary information at a different node in the hierarchy of ...

    • Ferramentas de Recuperación de Textos para Bibliotecas Dixitais: Lematización 

      Moreda Leirado, Marisa; Saavedra Places, Ángeles; Vázquez Fontenla, Eloy; Penabad, Miguel R. (Universidade da Coruña, 2005)
      [Resumo] Un dos servizos máis interesantes das bibliotecas dixitais é o que permite a busca de documentos polo seu contido, quere dicir, o que permite buscar aqueles textos que traten dun certo tema. Para que as bibliotecas ...