メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.915344761884 35.333350934472, 136.913542292352 35.3334682673703, 136.912650243662 35.3328684566511, 136.912427908862 35.3326954078573, 136.912302133019 35.3326837393848, 136.912199392552 35.3326499373333, 136.910496661853 35.3318038583513, 136.909634424047 35.3313821555437, 136.908161261385 35.3306468767779, 136.907280714739 35.330212845732, 136.907586616264 35.3291138446451, 136.91621787302 35.3290155772433, 136.915344761884 35.333350934472)) ^^http://www.opengis.net/ont/geosparql#wktLiteral