メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.68649187651 35.0682347078297, 136.686581644599 35.0686072424675, 136.68645168081 35.0686097376917, 136.685723660038 35.0686776079634, 136.685542267613 35.0686945182052, 136.684111580266 35.0688278805312, 136.684050580983 35.0682935560412, 136.684032034283 35.0681652752554, 136.684479888672 35.0681392294364, 136.684562316564 35.0683777877052, 136.685052444885 35.068280091122, 136.685051962141 35.0682224150422, 136.685407815635 35.0681689500829, 136.68561642394 35.0681376075477, 136.686036721449 35.0680744568832, 136.686296280555 35.0680356642811, 136.686440519956 35.0680144962848, 136.686704145994 35.067965469184, 136.68677204921 35.0681923469577, 136.68649187651 35.0682347078297)) ^^http://www.opengis.net/ont/geosparql#wktLiteral