メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.579055144586 40.4684831111013, 141.575956666875 40.4680067795445, 141.575978073365 40.4677630565851, 141.576007522841 40.467429642695, 141.576017167561 40.4672135756947, 141.575989435152 40.4668828522482, 141.575886982549 40.4660493610848, 141.575859298318 40.465718602982, 141.575862200605 40.4654382347102, 141.575877422639 40.4651807614638, 141.575933171729 40.4647759742268, 141.576030610717 40.464334119413, 141.576055036141 40.4640926968174, 141.576180474374 40.4634622383672, 141.576651366496 40.4636016443638, 141.577309403561 40.4637950380445, 141.5776536675 40.463912319147, 141.577750836743 40.4639898259987, 141.577854348561 40.4640994469843, 141.577958574867 40.4642780135907, 141.578014972357 40.4644798637255, 141.578150541717 40.4647685534336, 141.578273430098 40.4649975535917, 141.578426294534 40.4652171771303, 141.578588212658 40.4654390293965, 141.578691982619 40.4655716204805, 141.578849970406 40.4657085022811, 141.579007448076 40.4657994076759, 141.579198182187 40.4658525963272, 141.578825387469 40.4670053916695, 141.578821808683 40.4670776036955, 141.578847505742 40.4672268458694, 141.578886879629 40.4674259902569, 141.578926776489 40.4675429528751, 141.578950474131 40.4675783301147, 141.579211357919 40.4677927157441, 141.579227645396 40.4678159341166, 141.579233770357 40.4678408718113, 141.579229341887 40.4678695018841, 141.579055144586 40.4684831111013)) ^^http://www.opengis.net/ont/geosparql#wktLiteral