メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.985610500108 35.2579768548707, 136.985577432209 35.2580298312804, 136.984810902278 35.2592932827642, 136.983134729649 35.2580499593868, 136.981980500034 35.2572061843384, 136.981881968151 35.2571334882342, 136.981286715921 35.2567109664857, 136.981550457045 35.2567013949063, 136.98195308892 35.2566960620663, 136.982672968877 35.2566832127719, 136.983638097289 35.2566657544582, 136.985064566399 35.2566357053783, 136.986290661518 35.2566037616425, 136.986399029003 35.2566561854993, 136.985610500108 35.2579768548707)) ^^http://www.opengis.net/ont/geosparql#wktLiteral