• openAccess   A Data Science Analysis of Academic Staff Workload Profiles in Spanish Universities: Gender Gap Laid Bare 

      Cabero-Fayos, Ismael; Epifanio, Irene MDPI (2021-06-25)
      This paper presents a snapshot of the distribution of time that Spanish academic staff spend on different tasks. We carry out a statistical exploratory study by analyzing the responses provided in a survey of 703 Spanish ...
    • openAccess   ¿A qué dedica el tiempo el profesorado universitario? 

      Gual-Arnau, Ximo; Epifanio, Irene; Cabero-Fayos, Ismael ASOCIACION THE CONVERSATION ESPAÑA (2023-03)
      Las tareas y horas de trabajo semanal del profesorado universitario constituyen un tema de constante actualidad. Aunque es en las universidades donde se desarrolla la mayoría de la investigación y transferencia en España, ...
    • openAccess   Analysis of Archetypes to Determine Time Use and Workload Profiles of Spanish University Professors 

      Cabero-Fayos, Ismael; Epifanio, Irene; Gual-Arnau, Ximo MDPI (2023)
      Allocation of time use is important to develop appropriate policies, especially in terms of gender equality. Individual well-being depends on many factors, including how time is spent. Therefore, knowing and analysing ...
    • openAccess   Archetypal analysis: an alternative to clustering for unsupervised texture segmentation 

      Cabero-Fayos, Ismael; Epifanio, Irene International Society for Stereology & Image Analysis (2019-04)
      Texture segmentation is one of the main tasks in image applications, specifically in remote sensing, where the objective is to segment high-resolution images of natural landscapes into different cover types. Often the focus ...
    • openAccess   Archetype analysis: A new subspace outlier detection approach 

      Cabero-Fayos, Ismael; Epifanio, Irene; Piérola Orcero, Ana; Ballester, Alfredo Elsevier (2021)
      The problem of detecting outliers in multivariate data sets with continuous numerical features is addressed by a new method. This method combines projections into relevant subspaces by archetype analysis with a nearest ...
    • openAccess   Finding archetypal patterns for binary questionnaires 

      Cabero-Fayos, Ismael; Epifanio, Irene Institut d'Estadística de Catalunya (Idescat) (2020-01)
      Archetypal analysis is an exploratory tool that explains a set of observations as mixtures of pure (extreme) patterns. If the patterns are actual observations of the sample, we refer to them as archetypoids. For the first ...