ASK WHERE { <http://dbpedia.org/resource/Frontaccounting> <http://dbpedia.org/ontology/license> <http://dbpedia.org/resource/GNU> }
Is Frontaccounting licensed under GNU license?
ASK WHERE { resource:Frontaccounting property:license resource:G_N_U }
Yes
[Yes], GNU is the licence of Frontaccounting.
[Yes], the GNU is a license for front-line accounting.
[Yes], GNU is  the licence of the product.
[Yes], GNU is a product license.