SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/ontology/capital> <http://dbpedia.org/resource/Nicomedia> . ?uri <http://dbpedia.org/ontology/currency> <http://dbpedia.org/resource/Aureus> . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Country>}
Among the countries using Aureus as currency which had Nicomedia as an important place?
SELECT DISTINCT ?f WHERE { ?f property:capital resource:Nicomedia . ?f rdf:type ontology:Country . ?f property:currency resource:Aureus }
Roman Empire
The country with capital Nicomedia and currency Aureus is [Roman Empire].
The country with Nicomedia as capital and Aurelius as currency is [the Roman Empire].