メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.681350907461 35.1645698081538, 138.681861718227 35.1644331159272, 138.681998094904 35.1646317183457, 138.682108927677 35.1648164150547, 138.68219853559 35.1650011438839, 138.682298046466 35.1652221963256, 138.682319295423 35.1652983642877, 138.682384515224 35.1662436466489, 138.682428955315 35.1670153636532, 138.682436517524 35.1676841754383, 138.682280156814 35.1676854692338, 138.68188805978 35.1676407798076, 138.681546197072 35.1674341784577, 138.681187771348 35.1674311976429, 138.680947479264 35.1674557858862, 138.68036068181 35.1674574435157, 138.680077225787 35.1673654013142, 138.680076501739 35.1670423640376, 138.68007012901 35.1668771576177, 138.679935134129 35.1663089625595, 138.679710952328 35.1654930764464, 138.679644347101 35.1652663389078, 138.679580693798 35.165017412594, 138.680754756708 35.1647216274885, 138.681021300411 35.1646580550268, 138.681350907461 35.1645698081538)) ^^http://www.opengis.net/ont/geosparql#wktLiteral