The Web Science Observatory - The Challenges of Analytics over Distributed Linked Data Infrastructures

29 RDF graphs to be enhanced by declaring semantic constraints between classes and properties. Such constraints are interpreted under the open-world assumption [2], propagating instances from one relationship to another. For example, in a database where “Océan is a pancake house” and “a pancake house is a restaurant”, we can infer that “Océan is a restaurant”. Querying the database for restaurants should also return all the pancake houses! Our framework is centreed on RDF, thus it natively supports RDF semantics when querying.