10.6084/m9.figshare.7159802.v5 Jose Emilio Labra Gayo Jose Emilio Labra Gayo Validating RDF Data figshare 2018 RDF ShEx SHACL Validating RDF Data SPARQL Information Systems 2018-10-08 15:06:05 Journal contribution https://figshare.com/articles/journal_contribution/Validating_RDF_Data/7159802 Validating RDF Data tutorial