メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.607148775102 35.4277470809321, 139.607611361369 35.4280113544208, 139.60736362941 35.4283090807414, 139.607372950942 35.4283145903797, 139.608273727676 35.4288466517694, 139.608004928242 35.4291475463018, 139.607104783736 35.428619710762, 139.606077879059 35.4280267724692, 139.606349158382 35.427724833993, 139.606373352133 35.4277106903662, 139.606440469406 35.427668424902, 139.606632250309 35.4274428103191, 139.607148775102 35.4277470809321)) ^^http://www.opengis.net/ont/geosparql#wktLiteral