メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.358869059264 43.0211720826026, 141.35893729752 43.0211726137829, 141.359116953697 43.0213361944463, 141.359495115658 43.0216990895419, 141.359475019488 43.0221877317603, 141.359544278618 43.0224560897796, 141.35911474387 43.0224439561584, 141.358800391477 43.0224474166501, 141.357434147687 43.0224177805761, 141.356696314019 43.0225404472558, 141.356684434293 43.0224833590028, 141.356629375999 43.0222187946812, 141.356483497444 43.0217816758826, 141.35643601951 43.0216648375954, 141.356401774279 43.0215279175942, 141.356365701201 43.0212788764319, 141.356373211588 43.0209857265788, 141.357090801818 43.0210152403487, 141.357629747961 43.021043285705, 141.357954508694 43.0210553122557, 141.358773408152 43.0210521974443, 141.358860068319 43.0211243281682, 141.358869059264 43.0211720826026)) ^^http://www.opengis.net/ont/geosparql#wktLiteral