Exploració per tema "Conceptual modeling"

Ara es mostren els items 1-20 de 26

    • A computer-guided approach to website Schema.org design 

      Tort Pugibet, Albert; Olivé Ramon, Antoni (Springer, 2014)
      Text en actes de congrés
      Accés obert
      Schema.org offers to web developers the opportunity to enrich a website’s content with microdata and schema.org. For large websites, implementing microdata can take a lot of time. In general, it is necessary to perform two ...

    • A formal method for conceptual fit analysis 

      Olivé Ramon, Antoni (2016-01)
      Article
      Accés obert
      One criterion that has received little attention in COTS systems selection is what we call conceptual fit. The criterion assesses the fit between the conceptual structure of the user requirements and that of a candidate ...

    • A logic-based environmental decision support system for the management of horizontal subsurface constructed wetlands 

      Garcia Gasulla, Dario; Poch Espallargas, Manel; Nieves Sánchez, Juan Carlos; Cortés García, Claudio Ulises; Turon, Clàudia (2012-04-02)
      Article
      Accés restringit per política de l'editorial
      The use of Horizontal Subsurface Constructed Wetlands (HSCWs) for treating wastewaters in small communities has increased in the last years due to HSCW’s ecological singularities. Unfortunately, the same singularities ...

    • A method for the definition and treatment of conceptual schema quality issues 

      Aguilera Moncusí, David; Gómez Seoane, Cristina; Olivé Ramon, Antoni (Springer, 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      n the literature, there are many proposals of quality properties of conceptual schemas, but only a few of them (mainly those related to syntax) have been integrated into the development environments used by professionals ...

    • An approach to test-driven development of conceptual schemas 

      Tort Pugibet, Albert; Olivé Ramon, Antoni; Sancho Samsó, María Ribera (Universidad de Almería, 2012)
      Text en actes de congrés
      Accés obert
      The proposed method is applicable to different kinds of projects and may be integrated into existing software development methods when they are based on iterative paradigms and they include artifacts to specify conceptual ...

    • An approach to test-driven development of conceptual schemas 

      Tort Pugibet, Albert; Olivé Ramon, Antoni; Sancho Samsó, María Ribera (Elsevier Science Ltd., 2011)
      Article
      Accés restringit per política de l'editorial
      Test-Driven Development (TDD) is an extreme programming development method in which a software system is developed in short iterations. In this paper we present the Test-Driven Conceptual Modeling (TDCM) method, which is ...

    • An approach to website schema.org design 

      Tort Pugibet, Albert; Olivé Ramon, Antoni (Elsevier, 2015)
      Article
      Accés obert
      Schema.org offers to web developers the opportunity to enrich a website's content with microdata and schema.org. For large websites, implementing microdata can take a lot of time. In general, it is necessary to perform two ...

    • Applying TSSL in database schema modeling: visualizing the syntax of gradual transitions 

      Katz, Adi (OmniaScience, 2018-09)
      Article
      Accés obert
      Since database conceptual modeling is a complex cognitive activity, finding an appropriate pedagogy to deliver the topic to novice database designers is a challenge for Information Systems (IS) educators. The four-level ...

    • AuRUS: explaining the validation of UML/OCL conceptual schemas 

      Rull Fort, Guillem; Farré Tost, Carles; Queralt Calafat, Anna; Teniente López, Ernest; Urpí Tubella, Antoni (2015-05-01)
      Article
      Accés obert
      The validation and the verification of conceptual schemas have attracted a lot of interest during the last years, and several tools have been developed to automate this process as much as possible. This is achieved, in ...

    • Conceptual fit: A criterion for COTS selection 

      Olivé Ramon, Antoni (2014-11)
      Report de recerca
      Accés obert
      COTS systems selection consists in evaluating the user requirements with respect to characteristics of candidate systems, using a set of criteria. One criterion that has received little attention is what we call conceptual ...

    • CSTL: A Conceptual Schema Testing Language 

      Tort Pugibet, Albert (Universitat Politècnica de Catalunya, 2009-01-19)
      Projecte Final de Màster Oficial
      Accés obert
      Like any software artifact, conceptual schemas of information systems can be tested. Testing conceptual schemas has some similarities with testing programs, but there are important differences. We present a list of six ...

    • Esquema conceptual de Magento, un sistema de comerç electrònic 

      Ramirez Papell, Adria (Universitat Politècnica de Catalunya, 2011-06-14)
      Projecte/Treball Final de Carrera
      Accés obert
      Català: El principal objectiu d'aquest projecte és desenvolupar, a través d un procés d enginyeria inversa, l esquema conceptual que representa el coneixement que requereix el sistema Magento, un sistema de comerç electrònic ...

    • Extending the methods for computing the importance of entity types in large conceptual schemas 

      Villegas Niño, Antonio; Olivé Ramon, Antoni (2010-11-01)
      Article
      Accés obert
      Visualizing and understanding large conceptual schemas requires the use of specific methods. These methods generate clustered, summarized, or focused schemas that are easier to visualize and understand. All of these methods ...

    • Fixing up non-executable operations in UML/OCL conceptual schemas 

      Oriol Hilari, Xavier; Teniente López, Ernest; Tort, Albert (Springer, 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      An operation is executable if there is at least one information base in which its preconditions hold and such that the new information base obtained from applying its postconditions satisfies all the integrity constraints. ...

    • Former students' views on the usefulness of conceptual modeling education 

      Tort Pugibet, Albert; Olivé Ramon, Antoni; Pastor Collado, Juan Antonio (Springer, 2013)
      Text en actes de congrés
      Accés obert
      A big challenge for education and research in Requirements Engineering and Conceptual Modeling (RE/CM) is the need for much more empirical research about the use in practice of RE/CM, including the practical impact of CM ...

    • Multi-star conceptual schemas for OLAP systems 

      Abelló Gamazo, Alberto; Samos, J; Saltor Soler, Félix Enrique (2001-10)
      Report de recerca
      Accés obert
      OLAP tools divide concepts based on whether they are used as analysis dimensions, or are the fact subject of analysis, which gives rise to star shape schemas. Operations are always provided to navigate inside such star ...

    • On checking executable conceptual schema validity by testing 

      Tort Pugibet, Albert; Olivé Ramon, Antoni; Sancho Samsó, María Ribera (Springer, 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Ensuring the semantic quality of a conceptual schema is a fundamental goal in conceptual modeling. Conceptual schema testing is an emerging approach that helps to achieve this goal. In this paper, we focus on “what to test” ...

    • On computing the importance of associations in large conceptual schemas 

      Villegas Niño, Antonio; Olivé Ramon, Antoni; Sancho Samsó, María Ribera (2012)
      Article
      Accés restringit per política de l'editorial
      The visualization and the understanding of large conceptual schemas require the use of specific methods. These methods generate clustered, summarized or focused schemas that are easier to visualize and to understand. All ...

    • On the semantics of operation contracts in conceptual modeling 

      Queralt Calafat, Anna; Teniente López, Ernest (2004-04)
      Report de recerca
      Accés obert
      This paper describes two different ways of understanding operation contracts in the context of conceptual modeling. These two points of view are based in the total and partial correctness approaches from axiomatic programming, ...

    • Strict and extended interpretations of operation contracts in conceptual modeling 

      Queralt Calafat, Anna; Teniente López, Ernest (2005-05)
      Report de recerca
      Accés obert
      This paper describes two different ways of understanding operation contracts in conceptual modeling. The main difference between them lies in the way operation postconditions and integrity constraints are guaranteed, which ...