メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.721221471372 35.2496533321408, 136.72046676914 35.2498102185531, 136.719909479523 35.2499191613401, 136.719902482958 35.2497858918048, 136.719893173405 35.2492283064516, 136.719832203737 35.2483455207249, 136.719820043306 35.2480187058262, 136.719814568474 35.2477643124327, 136.71978898437 35.2475529446528, 136.721397476693 35.2475265119114, 136.721563737463 35.2480977729318, 136.72167177766 35.248436207581, 136.721796835274 35.2487003357755, 136.721958441713 35.248764027308, 136.722107060534 35.2488084435184, 136.722348109821 35.2488729789784, 136.7225704772 35.248844978613, 136.722614554517 35.248861617015, 136.722683339986 35.2488655982646, 136.722749551848 35.2489241487342, 136.722845811201 35.2489433705497, 136.722797467939 35.2489770703389, 136.722849932487 35.2490299371252, 136.722900626002 35.248990611801, 136.722941617061 35.2490063942915, 136.72239472141 35.2493704183995, 136.721302807481 35.2496229955938, 136.721221471372 35.2496533321408)) ^^http://www.opengis.net/ont/geosparql#wktLiteral