メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.74828844574 35.4117956145031, 136.748081447508 35.411794900911, 136.748084051673 35.4118820911556, 136.74730933404 35.4118490306861, 136.747338636432 35.4112062942414, 136.747371378138 35.4104890289402, 136.747396723767 35.4104863699766, 136.747388480514 35.4104421166546, 136.747950731186 35.410432156868, 136.748109200984 35.4111426171696, 136.749368437636 35.4109928725811, 136.749393915345 35.4114158370785, 136.749436937261 35.4119315725779, 136.748543669203 35.4118936047622, 136.748559831159 35.4117118705409, 136.748258458049 35.4117058312496, 136.74828844574 35.4117956145031)) ^^http://www.opengis.net/ont/geosparql#wktLiteral