メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.926328938679 37.4859492516138, 139.926335998256 37.4860227410583, 139.926427326592 37.4869759967277, 139.924680236352 37.4871830925321, 139.922937067309 37.4874084643777, 139.922879821956 37.4874659534158, 139.922874662168 37.4874368124956, 139.922044718691 37.4875270002552, 139.921410165507 37.4876067527196, 139.920841539501 37.4876771588194, 139.92077636553 37.487566683656, 139.920101360832 37.4876405455362, 139.919982826741 37.4872825906464, 139.919954449004 37.4872854286863, 139.919722884742 37.4867257979907, 139.91971401935 37.4867044036577, 139.919679620977 37.4866365662337, 139.919627433974 37.4864953859195, 139.919580261295 37.486373914144, 139.919534429083 37.4862558200896, 139.919415800702 37.4859848768212, 139.920507027415 37.4858928246359, 139.922355798424 37.4857076780574, 139.92252029533 37.4856912178682, 139.922583045564 37.4856801868331, 139.922703066509 37.4856584118484, 139.924314541378 37.4854866503548, 139.924920957754 37.4854218276664, 139.9262568742 37.485269263803, 139.926328938679 37.4859492516138)) ^^http://www.opengis.net/ont/geosparql#wktLiteral