Julià Minguillón

uoc e-learning oer open data education unesco open higher education dades obertes repositories learning web resources educational innovation learning analytics big data dspace ph.d. thesis personal environments openness 2.0 research tools linked data data datamart applied research elearncenter jenui visualización eees competencias chord diagrams d3.js dropout enrollment visualization survey iceri2014 review jpeg paper wallace taller catalunya dades learning objects mtsr2012 metadata dublin core #ple_sou ple vle mavsel educación minería de datos educational data mining social bookmarking ocw delicious tagging cal2011 recursos educativos abiertos rea repositorios olcos social learning social networks aspectes legals cerca google cach internet informaci edrene learning object repositories 2010 ecel09 keynote e-learning repositories machine cascading cascade trees decision