// create hsql-in-memory-database
JDBC.loadDriverHSQL();
sdbConnection = SDBFactory.createConnection(SDB_URL, SDB_USER, SDB_PASS);
sdbStoreDesc = new StoreDesc(LayoutType.LayoutTripleNodesIndex, DatabaseType.HSQLDB) ;
sdbStore = new StoreTriplesNodesIndexHSQL(sdbConnection, sdbStoreDesc);
sdbStore.getTableFormatter().create();
sdbDataModel = SDBFactory.connectDefaultModel(sdbStore);
// load all data from dataset.ttl.zip
zipFile = new File(CURR_DIR + "/" + DATA_DIR + "/" + FILENAME_TTL_DATA);