メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.829312438373 36.4691697097591, 139.82933804703 36.4691641483802, 139.829345121488 36.4691626706429, 139.829748354006 36.469078159521, 139.830263728818 36.468966966924, 139.830547100555 36.4698760742648, 139.830625437398 36.4701273683925, 139.830856601382 36.4708350203712, 139.831077577239 36.471540594874, 139.830564350395 36.4716512995548, 139.830548260566 36.4716546777598, 139.830137928711 36.4717413002827, 139.830122730445 36.471744187291, 139.829709028038 36.4718233108827, 139.829285094243 36.4719072921042, 139.82891196354 36.4719822961103, 139.828457038304 36.4720792995097, 139.828195519481 36.4713901212913, 139.827855936205 36.4704359173855, 139.827541135324 36.4695533174992, 139.828085260645 36.4694362907424, 139.829312438373 36.4691697097591)) ^^http://www.opengis.net/ont/geosparql#wktLiteral