メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.760170758183 35.4043594414934, 136.7603358993 35.4046514623948, 136.759425306941 35.4048989765283, 136.759420263041 35.4048501569736, 136.759321113078 35.404863486091, 136.759231038549 35.4046448795099, 136.759211039358 35.4046110807741, 136.759401672214 35.4045610889841, 136.759262786776 35.4042573216862, 136.759334861296 35.4042231284259, 136.759717039559 35.4040786388352, 136.75970841039 35.4040498784621, 136.759956045965 35.4039789473977, 136.760086460532 35.4042062064791, 136.760170758183 35.4043594414934)) ^^http://www.opengis.net/ont/geosparql#wktLiteral