メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.376701660641 34.8259219428567, 137.376677481129 34.8274664021258, 137.37665289523 34.8291108024962, 137.374957230109 34.829083056144, 137.371011149342 34.8290371402645, 137.371036541737 34.827428450305, 137.371033833575 34.8268287330052, 137.372290825921 34.8265111103157, 137.374183789575 34.8260508231505, 137.375091918473 34.8258300312661, 137.375457105113 34.8257398997366, 137.37668726542 34.8254362739968, 137.376719493855 34.8254900972781, 137.376701660641 34.8259219428567)) ^^http://www.opengis.net/ont/geosparql#wktLiteral