Figure 5From: Clever generation of rich SPARQL queries from annotated relational schema: application to Semantic Web Service creation for biological databasesClassification of the database table relationships. Each light node represents a table of the relational database. Here, we only show the tables, and the columns are not represented. The dark nodes represent the semantic annotations. Each edge represents a property that is shared between 2 nodes. The new properties added by our method, dr:associatedTo, dr:arity and rdf:subClassOf, are indicated in bold.Back to article page