メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.266393382284 37.1748955928782, 138.267404628398 37.1748569742589, 138.267550674507 37.1766267955902, 138.268419335465 37.1766071760703, 138.269692359644 37.1765630670432, 138.269687663438 37.1770210881104, 138.269772981402 37.1779812438794, 138.269872350393 37.1786965032108, 138.270018772578 37.1798672789238, 138.269386637666 37.1799091273703, 138.269375153885 37.17990987985, 138.26847665987 37.179976898103, 138.268409962547 37.1799715565559, 138.268052726685 37.1799426928139, 138.267964521214 37.179935549624, 138.266773336768 37.1798393517235, 138.266509525972 37.1798221434143, 138.266137832704 37.1798098603491, 138.264784491035 37.1797672459535, 138.264699066591 37.1797645412739, 138.264694354312 37.1797587591861, 138.264411689496 37.1794134395337, 138.263924706154 37.1788472127662, 138.263865941416 37.1787874650174, 138.263669059428 37.1785872721336, 138.263085141965 37.1780750559114, 138.262459834245 37.1776497705588, 138.262351154906 37.177585696818, 138.262878575192 37.177586760184, 138.262876202329 37.1775503585606, 138.262806966713 37.1764889216091, 138.262666663049 37.1764886388523, 138.262610717641 37.1758032396944, 138.262997860691 37.1757845894569, 138.262997428751 37.1757745913923, 138.262966297851 37.1750372179597, 138.26452937701 37.1749668549208, 138.266393382284 37.1748955928782)) ^^http://www.opengis.net/ont/geosparql#wktLiteral