メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.492659078766 40.5185665183377, 141.494046467766 40.5184180044208, 141.495404955648 40.5182656642424, 141.496728801039 40.5181022847398, 141.496841108648 40.5181089208898, 141.497016759892 40.5181440746176, 141.497221584955 40.5181835631327, 141.497438229952 40.5182297719342, 141.497686652999 40.5183054900147, 141.498226512447 40.5185322440411, 141.49856674278 40.5202490191997, 141.498824072913 40.5215556232418, 141.498949315636 40.5221353648079, 141.497589315061 40.5222899754535, 141.497502060243 40.5223001863584, 141.496245467082 40.5224470073499, 141.494873890745 40.522598552739, 141.493476388037 40.5227444248597, 141.492874740443 40.5228145652414, 141.492138845755 40.5228937364733, 141.491490930582 40.522970819812, 141.490800244109 40.5230487736189, 141.490405153743 40.5230989033714, 141.489716294397 40.5231802895742, 141.489476062577 40.5232079352372, 141.48944299875 40.5232117472404, 141.489411116383 40.5230722996074, 141.489075360141 40.5213398518589, 141.488964930264 40.5207853426049, 141.488606849553 40.5190248075798, 141.489314277861 40.5189470166786, 141.489972580676 40.5188707311753, 141.49067055056 40.5187967501832, 141.491327423926 40.518725427293, 141.492659078766 40.5185665183377)) ^^http://www.opengis.net/ont/geosparql#wktLiteral