メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.181893385156 34.7906594785318, 137.181907053468 34.7907158184408, 137.181975371188 34.7908172247569, 137.182084691606 34.7910425774086, 137.182166676077 34.7912003235112, 137.182248665351 34.791369337886, 137.182262359721 34.7915383610054, 137.182235079311 34.7917186577069, 137.182248757217 34.7918088025492, 137.1823170764 34.7919327453329, 137.18239906654 34.7921017596085, 137.182440088863 34.7923045850301, 137.181156118321 34.7922596707202, 137.181347229025 34.7916624267326, 137.181388158855 34.7914370553235, 137.181374432088 34.7910877389752, 137.1813606852 34.790648276018, 137.181893385156 34.7906594785318)) ^^http://www.opengis.net/ont/geosparql#wktLiteral