メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.750227017978 38.6143944308969, 140.749540707557 38.6144957305136, 140.749282483747 38.6145307418639, 140.749079747056 38.6145607248556, 140.748915425745 38.6145756717809, 140.748708444906 38.6145821410543, 140.74841719242 38.6145861581248, 140.747945641187 38.6145892007144, 140.747690662828 38.6145915517184, 140.747579693095 38.6145963993897, 140.747485807647 38.6146064675685, 140.7474132198 38.614633162533, 140.747242422081 38.6147184875289, 140.747063084638 38.6148070449747, 140.747077024591 38.6149051728827, 140.746908913798 38.6149737481013, 140.746765185166 38.6150367098612, 140.746692076543 38.615076776632, 140.745812009168 38.6159415991253, 140.745052338354 38.613914063423, 140.747083644739 38.6134455130799, 140.746766134101 38.6125503962835, 140.747249644688 38.6124413645279, 140.748708900911 38.6120942757065, 140.749391464426 38.6119417364081, 140.749684022299 38.6118594489597, 140.749976623013 38.61173619583, 140.750265488753 38.6115981575746, 140.750405337544 38.61222187611, 140.750654522454 38.6135310891288, 140.749968463124 38.6137160109173, 140.750227017978 38.6143944308969)) ^^http://www.opengis.net/ont/geosparql#wktLiteral