Enviaments recents

  • OCLuniv: Expressive UML/OCL conceptual schemas for finite reasoning 

    Oriol Hilari, Xavier; Teniente López, Ernest (Springer, 2017)
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    Full UML/OCL is so expressive that most reasoning tasks are known to be undecidable in schemas defined with these languages. To tackle this situation, literature has proposed mainly three decidable fragments of UML/OCL: ...
  • The universal ontology: A vision for conceptual modeling and the semantic web 

    Olivé Ramon, Antoni (Springer, 2017)
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    This paper puts forward a vision of a universal ontology (UO) aiming at solving, or at least greatly alleviating, the semantic integration problem in the field of conceptual modeling and the understandability problem in ...
  • Sustainable technology results for sewage networks in smart cities 

    Grau Saldes, Antoni; Bolea Monte, Yolanda; Puig-Pey Clavería, Ana María; Sanfeliu Cortés, Alberto; Casanovas Garcia, Josep (IFIP, 2017)
    Comunicació de congrés
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    The objective of this paper is to explain the importance of research in wastewater transportation (sewage systems) using new technologies such as robotics systems and information and communication technologies. ECHORD++ ...
  • A microcomputer-based decision support system 

    Olivé Ramon, Antoni (Universidad Nacional Autónoma de México, 1981)
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    The last ten years have seen the emrgence of some new ways of applying computers to organizations. This has been done by focusing attention on the suport of the key decisions that must be made in organizations. Decision ...
  • Construcción automática de prototipos de sistemas de información a partir de modelos conceptuales en DADES 

    Sistac Planas, Jaume; Olivé Ramon, Antoni (Asociación Española de Informática y Automática (AEIA), 1985)
    Text en actes de congrés
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    Muchos esfuerzos actuales de investigación y desarrollo en el àrea de los sistemas de Información (SI) se dirigen hacia la construcción automàtica de prototipos. Tal construcción parte de una definición previa del SI en ...
  • DADES/GP: a prototype generator from deductive conceptual models of information systems 

    Sistac Planas, Jaume; Olivé Ramon, Antoni (Salon International d'Informatique Telematique Communication Organisation du Bureau et Bureautique, 1986)
    Text en actes de congrés
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    We show that deductive conceptual models of information systems are a valid alternative to the usual operational models, and that they offer a number of advantatges. We describe the main features of DADES, as a particular ...
  • Linking data and BPMN processes to achieve executable models 

    Giacomo, Giuseppe De; Oriol Hilari, Xavier; Estañol Lamarca, Montserrat; Teniente López, Ernest (Springer, 2017)
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    We describe a formally well founded approach to link data and processes conceptually, based on adopting UML class diagrams to represent data, and BPMN to represent the process. The UML class diagram together with a set of ...
  • E-assessment of relational database skills by means of LearnSQL 

    Quer Bosor, Maria Carme; Abelló Gamazo, Alberto; Burgués Illa, Xavier; Casany Guerrero, María José; Martín Escofet, Carme; Rodríguez González, M. Elena; Romero Moral, Óscar; Urpí Tubella, Antoni (International Association of Technology, Education and Development (IATED), 2017)
    Text en actes de congrés
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    LearnSQL is a software system that allows the automatic and efficient e-learning and e-assessment of relational database skills. It has been used at the Barcelona School of Informatics for 18 semesters with an average of ...
  • Aggregating energy flexibilities under constraints 

    Valsomatzis, Emmanouil; Bach Pedersen, Torben; Abelló Gamazo, Alberto; Hose, Katja (Institute of Electrical and Electronics Engineers (IEEE), 2016)
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    The flexibility of individual energy prosumers (producers and/or consumers) has drawn a lot of attention in recent years. Aggregation of such flexibilities provides prosumers with the opportunity to directly participate ...
  • Analysis and operational challenges of dynamic ride sharing demand responsive transportation models 

    Linares Herreros, Mª Paz; Barceló Bugeda, Jaime; Carmona Bautista, Carlos; Montero Mercadé, Lídia (Elsevier, 2016)
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    There is a wide body of evidence that suggests sustainable mobility is not only a technological question, but that automotive technology will be a part of the solution in becoming a necessary albeit insufficient condition. ...
  • Updating DL-Lite ontologies through first-order queries 

    Giacomo, Giuseppe De; Oriol Hilari, Xavier; Rosati, Riccardo; Savo, Domenico Fabio (Springer, 2016)
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    In this paper we study instance-level update in DL-LiteA, the description logic underlying the OWL 2 QL standard. In particular we focus on formula-based approaches to ABox insertion and deletion. We show that DL-LiteA, ...
  • H-word: Supporting job scheduling in Hadoop with workload-driven data redistribution 

    Jovanovic, Petar; Romero Moral, Óscar; Calders, Toon; Abelló Gamazo, Alberto (2016)
    Text en actes de congrés
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    Today’s distributed data processing systems typically follow a query shipping approach and exploit data locality for reducing network traffic. In such systems the distribution of data over the cluster resources plays a ...

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