メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.878739066147 35.1168916305061, 136.878735665843 35.1170577427797, 136.878732194707 35.117226178614, 136.877703352042 35.1172141114233, 136.877623634229 35.1171556815513, 136.877670420354 35.1154940354006, 136.878767900052 35.1155156967895, 136.878749984977 35.1163586492496, 136.878742308693 35.1167328424059, 136.878739066147 35.1168916305061)) ^^http://www.opengis.net/ont/geosparql#wktLiteral