メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.944456896044 35.1180899961881, 136.944464225855 35.1183028391174, 136.944498857133 35.1188386386888, 136.944538953301 35.1193745187997, 136.944458534582 35.1195873045901, 136.944356169363 35.1198581472764, 136.944262825198 35.1200974340861, 136.944122322701 35.1204576072732, 136.94292317078 35.1203678790543, 136.94296329803 35.1197681285462, 136.943001679673 35.1192713426771, 136.94304537233 35.1187836516079, 136.943086343883 35.1182958849904, 136.943100676446 35.1180922392572, 136.944456896044 35.1180899961881)) ^^http://www.opengis.net/ont/geosparql#wktLiteral