メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.734840452484 35.4125726982258, 136.734760234588 35.4128404675765, 136.734710517324 35.4129370479764, 136.734564165758 35.4129113494044, 136.734540538632 35.4129545735648, 136.734427353436 35.4129440977251, 136.734397592068 35.4129843080949, 136.733239147105 35.4127765993977, 136.732139724497 35.4125751135342, 136.732156475023 35.4124350720293, 136.732180298917 35.4121227729869, 136.733044153339 35.4121802812082, 136.733043764047 35.4120200392441, 136.7333120745 35.4120230452262, 136.733322138307 35.4119827652498, 136.733457557642 35.4119852591091, 136.733455202783 35.4119590537703, 136.733967377031 35.4119447657047, 136.734131561646 35.4118516252538, 136.734208754572 35.411925456687, 136.734092796446 35.4124349908301, 136.734840452484 35.4125726982258)) ^^http://www.opengis.net/ont/geosparql#wktLiteral