メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.227462627515 36.051708015611, 136.227955350069 36.0516823042981, 136.227893066774 36.0522628787156, 136.227811641353 36.0522630332457, 136.227777749038 36.0526075962025, 136.22765725634 36.0536778808305, 136.227447965081 36.0536924402844, 136.227338037711 36.0547128008796, 136.227280593815 36.0546995973494, 136.227042694799 36.0546202370606, 136.22696161843 36.0545911773307, 136.226452001191 36.0544085245247, 136.225783386576 36.0541637050814, 136.224981413992 36.0538609280629, 136.224302593849 36.0536310870143, 136.224225409268 36.0536054017683, 136.224575973337 36.0520052267217, 136.225203664356 36.0518703889529, 136.225605342703 36.0517699641878, 136.226567207864 36.0517427414894, 136.2269683916 36.0517278350746, 136.227462627515 36.051708015611)) ^^http://www.opengis.net/ont/geosparql#wktLiteral