メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.820367085168 37.4487459426455, 138.820858316018 37.4487360098325, 138.820977042384 37.4487289262655, 138.821453642133 37.4487148050603, 138.821812153968 37.4487021348922, 138.82212863635 37.4486835256311, 138.822136806285 37.4487571388701, 138.822221032696 37.4487498664898, 138.822227944784 37.4490624081056, 138.822205749133 37.4491116045918, 138.822387927152 37.449376358305, 138.822371856183 37.4496564406728, 138.822369178223 37.4496964313468, 138.821931074184 37.4497174867583, 138.821697634442 37.4501423344572, 138.820968150531 37.4502362745281, 138.820612531316 37.4502820212344, 138.820387679136 37.4503067115105, 138.819889146429 37.4502990638162, 138.819497220643 37.4503358955855, 138.819335466788 37.4498294845654, 138.818937997385 37.4498751980612, 138.818031175641 37.450007193751, 138.817818490203 37.4500435338627, 138.817629353846 37.4500686850889, 138.81740633296 37.4491134516451, 138.8177975306 37.4490567779114, 138.818077428134 37.4490201162759, 138.81889463734 37.4488928690807, 138.818928728095 37.4488896774108, 138.81923615903 37.4488608232058, 138.819795987883 37.4487967822305, 138.819919206179 37.4487919401422, 138.820137528843 37.4487689569732, 138.820367085168 37.4487459426455)) ^^http://www.opengis.net/ont/geosparql#wktLiteral