メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.634312274765 35.446380563874, 139.634211016892 35.4464893055762, 139.634016309068 35.4463658611383, 139.633354317575 35.44713198164, 139.632969330503 35.4469046035879, 139.63317206285 35.4466709970463, 139.63349214443 35.4462864945103, 139.634056787708 35.4457248940251, 139.634279721864 35.4455258941369, 139.634457063203 35.4456404364577, 139.634549179669 35.4457133636673, 139.634120620633 35.4462317391404, 139.634155639321 35.4462522885122, 139.634222931278 35.4463073946817, 139.634312274765 35.446380563874)) ^^http://www.opengis.net/ont/geosparql#wktLiteral