メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.60298577549 42.6461135911693, 141.603188738453 42.6465224092248, 141.603484696718 42.6470677825049, 141.603889567487 42.6477956608585, 141.604056192239 42.6481495496806, 141.604349677085 42.6487328887828, 141.604393042637 42.6489057382991, 141.603505487285 42.6486190977995, 141.602814483808 42.6483788591465, 141.601908684345 42.648075362834, 141.600550326863 42.6476139866935, 141.599426381245 42.6472462104666, 141.5994040152 42.6472349698652, 141.598655442582 42.6469819995741, 141.598197839359 42.6468105852244, 141.597715318147 42.6466442324984, 141.598131043255 42.6465253426887, 141.599236229012 42.6462030257418, 141.599658235283 42.6460705210568, 141.599849700139 42.6460095732859, 141.600590723544 42.6457804074436, 141.601096981108 42.6456350125669, 141.601811665652 42.6454276342334, 141.601839902696 42.6454194943582, 141.602529328569 42.6452219563326, 141.60298577549 42.6461135911693)) ^^http://www.opengis.net/ont/geosparql#wktLiteral