メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.370803795747 37.3440173457783, 140.369879220524 37.3437758545946, 140.370413849793 37.3424969283516, 140.370524721249 37.3424964240073, 140.370559862168 37.3424105169382, 140.370624148859 37.3423930472454, 140.370731571538 37.3424097355957, 140.370839035313 37.3424321962495, 140.370910497151 37.3424260983434, 140.370946132635 37.3424031268976, 140.37103918622 37.3424141077985, 140.371174691117 37.3423563252838, 140.371368830696 37.342317283736, 140.371665290931 37.3423895721904, 140.371521168439 37.3424689368187, 140.371433858087 37.3425836636914, 140.370803795747 37.3440173457783)) ^^http://www.opengis.net/ont/geosparql#wktLiteral