Part of case collection for federated queries.

case_5.txt

PREFIX ontology_1: <http://ontology_1/>
PREFIX ontology_2: <http://ontology_2/>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
select distinct ?c where {
    {
        service <https://graphdb.nasarek.org/repositories/Adapter_1> 
        {
            ?a rdf:type ontology_1:E21_Person ;
                    ontology_1:P1_is_identified_by ?b.
            ?b ontology_1:P3_has_note ?c.
        }
    } UNION {
        service <https://graphdb.nasarek.org/repositories/Adapter_3> 
        {
            ?a rdf:type ontology_1:E20_Biological_Object ;
                    ontology_1:P1_is_identified_by ?b.
            ?b ontology_1:P3_has_note ?c.
        }
    }
}