メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.922567930303 35.0700665568759, 136.922869058969 35.0700964550551, 136.923394014482 35.070170252262, 136.923263602967 35.0710510397954, 136.92330667892 35.0710547178772, 136.923262483412 35.0713619045857, 136.923219050994 35.0716640931973, 136.923180341057 35.0719552328121, 136.923139603121 35.072273202433, 136.923024840732 35.0727866716172, 136.922862181926 35.0735533717917, 136.922092174661 35.0734487973362, 136.921460026787 35.0733716120492, 136.921573642454 35.0726322826408, 136.92164449582 35.0721395736124, 136.921694810892 35.0718214129152, 136.921768452808 35.0713557533393, 136.921785815905 35.0712327517675, 136.921959864714 35.0699934368585, 136.922567930303 35.0700665568759)) ^^http://www.opengis.net/ont/geosparql#wktLiteral