メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.265945587098 44.0127565582516, 144.266364293473 44.0127607014979, 144.266469931145 44.0129106768878, 144.266736743263 44.0129521780796, 144.267022166525 44.0129793013175, 144.267099827584 44.0130111241977, 144.267159486358 44.0131096614331, 144.267289676973 44.013483597218, 144.267324258188 44.0135264659876, 144.267348266506 44.013556333981, 144.267398481678 44.0136808573914, 144.267223353666 44.0136653089292, 144.266626500673 44.0136143073106, 144.26657012711 44.013572388852, 144.265822776739 44.0135195892204, 144.265945587098 44.0127565582516)) ^^http://www.opengis.net/ont/geosparql#wktLiteral