メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.73216755702 35.224913801166, 136.731067616757 35.2251219866783, 136.729851049113 35.2253762319354, 136.729436233726 35.2240584594903, 136.731814662446 35.2235646970265, 136.731966089006 35.2240095632737, 136.731992652884 35.2241786854039, 136.73200191292 35.2243821158313, 136.732004946479 35.2244491745482, 136.732017958961 35.2245844432763, 136.732072105599 35.2247311253113, 136.73216755702 35.224913801166)) ^^http://www.opengis.net/ont/geosparql#wktLiteral