by ralph hodgson | Aug 25, 2017 | Best Practices, Data Governance, Blog
Governance of data is not only about managing metadata of enterprise data assets, it’s also about setting up a “Governance Framework” that defines business areas, data subject areas, organizations, roles and responsibilities. In this post we provide...
by Holger Knublauch | Jun 13, 2017 | Ontology Modeling, Best Practices, Blog
RDF lists are a rather weak spot of the semantic technology stack. Their design is basically a linked structure of intermediate list nodes using dedicated properties rdf:rest and rdf:first. So a simple list of string literals “red”, “yellow”...
by Holger Knublauch | Jun 13, 2017 | Best Practices, Blog
RDF data validation is the process of checking a (data) graph against constraints from a schema definition. In the Shapes Constraint Language (SHACL), constraints are themselves expressed in a RDF syntax, in so-called shapes graphs. SHACL-based validation engines can...