メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.611603906545 35.4306019312303, 139.611873837933 35.4308005505282, 139.612431108407 35.4312207068377, 139.613094698001 35.4317255929745, 139.612993181963 35.4318478699476, 139.612869415464 35.4319969359286, 139.612586664787 35.4323047211772, 139.612019871138 35.4319032093819, 139.612011154911 35.4318967855914, 139.611517700262 35.4315333613453, 139.610892841115 35.4310756491213, 139.610261263931 35.4306545741264, 139.610590287593 35.4303382178748, 139.610880117905 35.4300693221126, 139.611603906545 35.4306019312303)) ^^http://www.opengis.net/ont/geosparql#wktLiteral