Virtuoso 37000 Error SP030: SPARQL compiler, line 0: Bad character '%' (0x25) in SPARQL expression at '%' SPARQL query: define sql:gs-app-callback "ODS" define%20sql%3Adescribe-mode%20%22CBD%22%20%20DESCRIBE%20%3Chttp%3A%2F%2Fvi.dbpedia.org%2Fresource%2FH%E1%BB%87_th%E1%BB%91ng_t%E1%BA%ADp_tin%3E