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  • A cost-based storage format selector for materialized results in big data frameworks 

    Munir, Rana Faisal; Abelló Gamazo, Alberto; Romero Moral, Óscar; Thiele, Maik; Lehner, Wolfgang (2019-05-08)
    Article
    Restricted access - publisher's policy
    Modern big data frameworks (such as Hadoop and Spark) allow multiple users to do large-scale analysis simultaneously, by deploying data-intensive workflows (DIWs). These DIWs of different users share many common tasks (i.e, ...

  • Fusion of clinical data: A case study to predict the type of treatment of bone fractures 

    Haq, Anam; Wilk, Szymon; Abelló Gamazo, Alberto (2019-03-29)
    Article
    Open Access
    A prominent characteristic of clinical data is their heterogeneity—such data include structured examination records and laboratory results, unstructured clinical notes, raw and tagged images, and genomic data. This ...

  • Determining criteria for selecting software components: lessons learned 

    Carvallo Vega, Juan Pablo; Franch Gutiérrez, Javier; Quer, Carme (2007-05)
    Article
    Open Access
    Software component selection is growing in importance. Its success relies on correctly assessing the candidate components' quality. For a particular project, you can assess quality by identifying and analyzing the criteria ...

  • First in-depth analysis of enterprise architectures and models for higher education institutions 

    Sánchez Puchol, Félix; Pastor Collado, Juan Antonio; Borrell, Baptista (2018)
    Article
    Restricted access - publisher's policy
    Enterprise Reference Architectures (ERAs) and Reference Models (RMs) have emerged over the last years as relevant instruments for improving the quality and effectiveness of enterprise architecture (EA) practice. Whilst a ...

  • Non-functional requirements in model-driven development of service-oriented architectures 

    Ameller, David; Burgués Illa, Xavier; Costal Costa, Dolors; Farré Tost, Carles; Franch Gutiérrez, Javier (2018-12-15)
    Article
    Restricted access - publisher's policy
    Any software development process needs to consider non-functional requirements (NFR) in order to deliver a system that complies with its stakeholders' expectations. In a previous mapping study about model-driven development ...

  • Exercising power in software ecosystems 

    Alves, Carina F.; Valença, George; Franch Gutiérrez, Javier (2019-05)
    Article
    Open Access
    Companies in a software ecosystem must understand which power capabilities drive cooperation or generate conflicts. In this article, we analyze how power influences the relationships among companies in ecosystems formed ...

  • Continuously assessing and improving software quality with software analytics tools: a case study 

    Martinez Fernandez, Silverio; Vollmer, Anna Maria; Jedlitschka, Andreas; Franch Gutiérrez, Javier; López Cuesta, Lidia; Ram, Prabhat; Rodríguez, Pilar; Aaramaa, Sanja; Bagnato, Alessandra; Choras, Michal; Partanen, Jari (Institute of Electrical and Electronics Engineers (IEEE), 2019-05-17)
    Article
    Open Access
    In the last decade, modern data analytics technologies have enabled the creation of software analytics tools offering real-time visualization of various aspects related to software development and usage. These tools seem ...

  • Towards an unified information systems reference model for higher education institutions 

    Sánchez Puchol, Félix; Pastor Collado, Juan Antonio; Borrell, Baptista (Elsevier, 2017)
    Article
    Open Access
    Higher education institutions are currently facing many challenges that are making them to start compete strategically, like other not-for-profit firm. To adequately support such new approach, their information systems and ...

  • A frequent named entities-based approach for interpreting reputation in Twitter 

    Bennacer Seghouani, Nacéra; Bugiotti, Francesca; Hewasinghage, Moditha Lakshan Dharmasir; Isaj, Suela; Quercini, Gianluca (2018-06-01)
    Article
    Open Access
    Twitter is a social network that provides a powerful source of data. The analysis of those data offers many challenges among those stands out the opportunity to find reputation of a product, a person or any other entity ...

  • Clickstream for learning analytics to assess students’ behavior with Scratch 

    Amo Filvá, Daniel; Alier Forment, Marc; García Peñalvo, Francisco José; Fonseca Escudero, David; Casany Guerrero, María José (Elsevier, 2019-04)
    Article
    Restricted access - publisher's policy
    The construction of knowledge through computational practice requires to teachers a substantial amount of time and effort to evaluate programming skills, to understand and to glimpse the evolution of the students and finally ...

  • El informe de sostenibilidad del Trabajo de Fin de Grado del área de las ingenierías 

    Climent Vilaró, Joan; Cabré Garcia, José M.; Sánchez Carracedo, Fermín; Martín Escofet, Carme; Vidal López, Eva María; López Álvarez, David (Universitat Politècnica de València, 2018-12)
    Article
    Open Access
    La elaboración del informe de sostenibilidad de un proyecto de ingeniería es ya una práctica habitual en todas las empresas importantes del sector TIC. Los ingenieros que formamos ahora en las universidades deberán, sin ...

  • Intermediate results materialization selection and format for data-intensive flows 

    Munir, Rana Faisal; Nadal Francesch, Sergi; Romero Moral, Óscar; Abelló Gamazo, Alberto; Jovanovic, Petar; Thiele, Maik; Lehner, Wolfgang (2018-05-01)
    Article
    Restricted access - publisher's policy
    Data-intensive flows deploy a variety of complex data transformations to build information pipelines from data sources to different end users. As data are processed, these workflows generate large intermediate results, ...

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