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    • On the meanings of subsetting, specialization and redefinition in UML 

      Costal Costa, Dolors; Gómez Seoane, Cristina; Guizzardi, Giancarlo (2011-06-27)
      Report de recerca
      Accés obert
      UML 2 has improved the expressiveness of the language with respect to associations in several manners. A significant one has been the introduction of the association redefinition concept. Association subsetting and association ...

    • On the semantics of redefinition, specialization and subsetting of associations in UML (extended version) 

      Costal Costa, Dolors; Gómez Seoane, Cristina; Nieto Soler, Pilar (2010-10-06)
      Report de recerca
      Accés obert
      The definition of the exact meaning of conceptual modeling concepts is considered a relevant issue since it enhances their effective and appropriate use by designers and facilitates the automatic processing of the models ...

    • On the use of requirement patterns to analyse request for proposal documents 

      Costal Costa, Dolors; Franch Gutiérrez, Javier; López Cuesta, Lidia; Palomares Bonache, Cristina; Quer, Carme (Springer, 2019)
      Text en actes de congrés
      Accés obert
      Requirements reuse is still today a difficult goal to achieve. One particular context in which requirements reuse may give more benefits than costs is that of call for tenders projects, due to the similarity of the ...

    • Open source software ecosystems : a systematic mapping 

      Franco Bedoya, Óscar Hernán; Ameller, David; Costal Costa, Dolors; Franch Gutiérrez, Javier (2017-11-01)
      Article
      Accés obert
      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 ...

    • OSSAP: A situational method for defining open source software adoption processes 

      López Cuesta, Lidia; Costal Costa, Dolors; Ralyté, Jolita; Franch Gutiérrez, Javier; Méndez, Lucía; Annosi, Maria Carmela (Springer, 2016)
      Text en actes de congrés
      Accés obert
      Organizations are increasingly becoming Open Source Software (OSS) adopters, either as a result of a strategic decision or just as a consequence of technological choices. The strategy followed to adopt OSS shapes organizations’ ...

    • Protocol for a SLR on software ecosystems: technical report 

      Franco Bedoya, Óscar Hernán; Ameller, David; Costal Costa, Dolors; Franch Gutiérrez, Javier (2014-05-19)
      Report de recerca
      Accés obert
      Open Source Software (OSS) and Ecosystems (SECO) are two emergent research areas in software engineering. We are interested on the published works that join these two topics, to do it we used a well-known technique called ...

    • Quantifying the impact of OSS adoption risks with the help of i* Models 

      Costal Costa, Dolors; Gross, Daniel; López Cuesta, Lidia; Morandini, Mirko; Siena, Alberto; Susi, Angelo (2014)
      Text en actes de congrés
      Accés obert
      Adopting Open Source Software (OSS) components in organisational settings requires evaluating the possible impact of adoption decisions on business goals. Measures available in OSS, capturing indicators such as the quality ...

    • QuESo V2.0 a quality model for open source software ecosystems: List of measures 

      Franco Bedoya, Óscar Hernán; Ameller, David; Costal Costa, Dolors; Franch Gutiérrez, Javier (2016-05-10)
      Report de recerca
      Accés obert
      This technical report is part of QuESo-V2.0 a quality model for open source software ecosystems (OSSECOs). Our prior efforts have focused on providing a detailed list of the quality measures found during the execution of ...

    • QuESo: A quality model for open source software ecosystems 

      Franco Bedoya, Oscar; Ameller, David; Costal Costa, Dolors; Franch Gutiérrez, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés obert
      Open source software has witnessed an exponential growth in the last two decades and it is playing an increasingly important role in many companies and organizations leading to the formation of open source software ecosystems. ...

    • Research on NLP for RE at UPC: a report 

      Borrull Baraut, Ricard; Costal Costa, Dolors; Franch Gutiérrez, Javier; Quer, Carme (CEUR-WS.org, 2018)
      Text en actes de congrés
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      [Team Overview] The Software and Service Engineering Group (GESSI) of UPC has traditionally conducted research in many fields of software engineering. [Research Plan on NLP] As a result of our participation ...

    • Restriccions d'integritat en bases de dades deductives 

      Costal Costa, Dolors (1988)
      Report de recerca
      Accés obert
      This work describes the theory and implementation of a general theorem-proving technique for checking integrity of deductive databases called "Consistency Method", and presents examples in order to study the aplicability, ...

    • Strategies to manage quality requirements in agile software development: a multiple case study 

      Karhapää, Pertti; Behutiye, Woubshet; Rodríguez González, Pilar; Oivo, Markku; Costal Costa, Dolors; Franch Gutiérrez, Javier; Aaramaa, Sanja; Choras, Michal; Partanen, Jari; Abherve, Antonin (Springer, 2021-03)
      Article
      Accés obert
      Agile methods can deliver software that fulfills customer needs rapidly and continuously. Quality requirements (QRs) are important in this regard; however, detailed studies on how companies applying agile methods to manage ...

    • Temporal features of class populations and attributes in conceptual models 

      Costal Costa, Dolors; Olivé Ramon, Antoni; Sancho Samsó, María Ribera (1997-07)
      Report de recerca
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      Constraints play an important role in conceptual modeling. In general, the specification of constraints, both static and transition, must be done in some logic-based language. Unfortunately, the resulting formulas may be ...

    • The Intensional events method for consistent view updating 

      Costal Costa, Dolors; Teniente López, Ernest; Urpí Tubella, Antoni (1996-07)
      Report de recerca
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      An important amount of research has been devoted to consistent view updating. In this paper we propose a method that follows a new approach to deal with this problem. Our approach is aimed at obtaining intensional ...

    • The Structural events in the ROSES language 

      Costal Costa, Dolors; Roselló Martos, Anna; Sancho Samsó, María Ribera (1997-11)
      Report de recerca
      Accés obert
      ROSES is a language to describe conceptual models of information systems. It allows to define the object model, it is composed by the object classes, their attributes, the integrity restrictions and the events. In ROSES ...

    • Using roles for OSS adoption strategy models 

      Costal Costa, Dolors; López Cuesta, Lidia; Franch Gutiérrez, Javier (CEUR-WS.org, 2015)
      Text en actes de congrés
      Accés obert
      Increasing adoption of Open Source Software (OSS) in information system engineering has led to the emergence of different OSS adoption strategies that affect and shape organizations’ business models. OSS adoption strategies ...

    • Validation of the iStar2ca guidelines: variables, hypotheses, instrumentation and statistical results 

      Ruiz, Marcela A. G.; Costal Costa, Dolors; España, Sergio; Franch Gutiérrez, Javier; López Pastor, Oscar (2015-04-29)
      Report de recerca
      Accés obert
      This technical report presents the variables, hypotheses, instrumentation and statistical results corresponding to a controlled experiment performed for the evaluation of the iStar2ca guidelines.