メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((133.178955662822 33.9301048312377, 133.178479496882 33.9309507707048, 133.17795474679 33.9307520515869, 133.17739723409 33.9305409243205, 133.177026386765 33.9304004831841, 133.177514758392 33.9295136564336, 133.17850471495 33.9298913456887, 133.178976722572 33.9300714284127, 133.178955662822 33.9301048312377)) ^^http://www.opengis.net/ont/geosparql#wktLiteral