Question: How many companies have developed cross platformed software?
SPARQL query: SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/property/operatingSystem> <http://dbpedia.org/resource/Cross-platform> . ?x <http://dbpedia.org/ontology/developer> ?uri  . }
Answer: There are [1163] developers of the software operating in Cross-platform.