Envíos recientes

  • The parallel complexity of positive linear programming 

    Trevisan, Luca; Xhafa Xhafa, Fatos (1998-12)
    Artículo
    Acceso abierto
    In this paper we study the parallel complexity of Positive Linear Programming (PLP), i.e. the special case of Linear Programming in packing/covering form where the input constraint matrix and constraint vector consist ...
  • Open source software ecosystems : a systematic mapping 

    Franco Bedoya, Óscar Hernán; Ameller, David; Costal Costa, Dolors; Franch Gutiérrez, Javier (2017-11-01)
    Artículo
    Acceso restringido por política de la editorial
    Context: Open source software (OSS) and software ecosystems (SECOs) are two consolidated research areas in software engineering. OSS influences the way organizations develop, acquire, use and commercialize software. SECOs ...
  • Verb similarity: Comparing corpus and psycholinguistic data 

    Gil-Vallejo, Lara; Coll-Florit, Marta; Castellón Masalles, Irene; Turmo Borras, Jorge (2017-01-26)
    Artículo
    Acceso abierto
    Similarity, which plays a key role in fields like cognitive science, psycho- linguistics and natural language processing, is a broad and multifaceted concept. In this work we analyse how two approaches that belong to ...
  • Uncertainty in basic short-term macroeconomic models with angel-daemon games 

    Gabarró Vallès, Joaquim; Serna Iglesias, María José (2017)
    Artículo
    Acceso abierto
    We propose the use of an angel-daemon framework to perform an uncertainty analysis of short-term macroeconomic models. The angel-daemon framework defines a strategic game where two agents, the angel and the daemon, act ...
  • Economía aplicada al estudio de la evolución de un curso 

    Blesa Aguilera, Maria Josep; Duch Brown, Amalia; Gabarró Vallès, Joaquim; Petit Silvestre, Jordi; Serna Iglesias, María José (Asociación de Enseñantes Universitarios de la Informática (AENUI), 2017)
    Artículo
    Acceso abierto
    In this paper we propose a method to quantitatively analyze the effectiveness of the different measures taken to improve a course’s evaluation process. Our proposal uses simple tools from economics and the social sciences. ...
  • Hybrid techniques based on solving reduced problem instances for a longest common subsequence problem 

    Blum, Christian; Blesa Aguilera, Maria Josep (2018-01-01)
    Artículo
    Acceso restringido por política de la editorial
    Finding the longest common subsequence of a given set of input strings is a relevant problem arising in various practical settings. One of these problems is the so-called longest arc-preserving common subsequence problem. ...
  • Determination of shape and sphericity of silicon quantum dots imaged by EFTEM-tomography 

    Ayala Vallespí, M. Dolors; Hiller, Daniel; Gutsch, Sebastian; López Vidrier, Julián; Zacharias, Margit; Estradé Albiol, Sònia; Peiró Martínez, Francesca; Cruz-Matías, Irving (2017-11-06)
    Artículo
    Acceso restringido por política de la editorial
    The shape of size-controlled silicon nanocrystals (Si NCs) embedded in SiO2 is investigated by tomographic energy-filtered transmission electron microscopy (EFTEM). The sphericity of the quantum dots is determined by ...
  • Influencing factors in energy use of housing blocks: a new methodology, based on clustering and energy simulations, for decision making in energy refurbishment projects 

    Cipriano Lindez, Xavier; Vellido Alcacena, Alfredo; Cipriano Lindez, Jordi; Martí Herrero, Jaime; Danov, Stoyan (2017-04-01)
    Artículo
    Acceso abierto
    In recent years, big efforts have been dedicated to identify which are the factors with highest influence in the energy consumption of residential buildings. These factors include aspects such as weather dependence, user ...
  • ScoQAS : a semantic-based closed and open domain question answering system 

    Latifi, Majid; Rodríguez Hontoria, Horacio; Sànchez-Marrè, Miquel (2017-09-01)
    Artículo
    Acceso abierto
    Question Answering (QA) has reappeared in research activities and in companies over the past years. We present an architecture of Semantic-based closed and open domain Question Answering System (ScoQAS) over ontology ...
  • Modeling the control of the central nervous system over the cardiovascular system using support vector machines 

    Díaz, José; Acosta, Jesús; González, Rafael; Cota, Juan; Sifuentes, Ernesto; Nebot Castells, M. Àngela (Elsevier, 2018-02-01)
    Artículo
    Acceso restringido por política de la editorial
    The control of the central nervous system (CNS) over the cardiovascular system (CS) has been modeled using different techniques, such as fuzzy inductive reasoning, genetic fuzzy systems, neural networks, and nonlinear ...
  • Multiview and multifeature spectral clustering using common eigenvectors 

    Kanaan Izquierdo, Samir; Ziyatdinov, Andrey; Perera Lluna, Alexandre (Elsevier, 2018-01-15)
    Artículo
    Acceso restringido por política de la editorial
    An ever-increasing number of data analysis problems include more than one view of the data, i.e. differ- ent measurement approaches to the population under study. In consequence, pattern analysis methods that deal ...
  • Compression-based classification of biological sequences and structures via the Universal Similarity Metric: experimental assessment 

    Ferragina, Paolo; Giancarlo, Raffaele; Greco, Valentina; Manzini, Giovanni; Valiente Feruglio, Gabriel Alejandro (2007-07)
    Artículo
    Acceso abierto
    Similarity of sequences is a key mathematical notion for Classification and Phylogenetic studies in Biology. It is currently primarily handled using alignments. However, the alignment methods seem inadequate for post-genomic ...

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