info:oai:oa.upm.es:37126info:ofi/fmt:xml:xsd:dissertationBadenes OlmedoCarlosBadenes Olmedo, CarlosMasterJulio 2015RESSIST: a research object-based recommender systemE.T.S. de Ingenieros Informáticos (UPM) <http://oa.upm.es/view/institution/ETSI=5FInformatica/>112