メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.770094138768 35.454846255835, 136.77065030852 35.4547966344635, 136.770829777812 35.4556541646475, 136.77091046036 35.4560686759104, 136.770991239497 35.4564723772423, 136.771091722009 35.4568950854443, 136.771193920702 35.4573191738325, 136.769786884303 35.4574472375521, 136.768417961525 35.457568615397, 136.767507805585 35.4576475841849, 136.767520224452 35.4573630583014, 136.767531906315 35.4572193346984, 136.767528531554 35.4567864516002, 136.767529774872 35.4565341769661, 136.767530863919 35.456313202073, 136.767519272025 35.4559411355614, 136.767505941308 35.4557994061972, 136.767513922114 35.4552976908574, 136.767507773581 35.455061059504, 136.767725534457 35.4550483269062, 136.769289728735 35.454911293036, 136.770094138768 35.454846255835)) ^^http://www.opengis.net/ont/geosparql#wktLiteral