メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.007260282028 34.8999562635623, 137.00628746032 34.9004693881506, 137.005956271429 34.9000268764566, 137.005320190654 34.8991792821501, 137.004960496237 34.8987637039678, 137.005957687106 34.8982239302036, 137.006319576385 34.8985909142457, 137.006587255787 34.8986226068485, 137.007274950406 34.8984132844254, 137.007411568236 34.8986305923584, 137.007516874467 34.8986845365206, 137.00757576969 34.898752364729, 137.007698767815 34.8989235945602, 137.007788114411 34.8990531574542, 137.008128791941 34.8994982111577, 137.007260282028 34.8999562635623)) ^^http://www.opengis.net/ont/geosparql#wktLiteral