Question: What is the common licence of the Frontaccounting and nUbuntu?
SPARQL:
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Frontaccounting> <http://dbpedia.org/ontology/license> ?uri. <http://dbpedia.org/resource/NUbuntu> <http://dbpedia.org/ontology/license> ?uri . }