メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.530260720247 39.2315683521565, 140.530062819801 39.231055778189, 140.530297581073 39.2309349828544, 140.530463845275 39.230859544706, 140.530650029617 39.2306855594707, 140.530875746386 39.2303978059074, 140.530944517553 39.23029178449, 140.531091684324 39.2301100971709, 140.531170197263 39.2300117010073, 140.531420056427 39.2306448223179, 140.531113196765 39.2307929508911, 140.530824255396 39.231031137283, 140.530539900575 39.2313338710797, 140.530260720247 39.2315683521565)) ^^http://www.opengis.net/ont/geosparql#wktLiteral