メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.994007417052 34.8918909972689, 136.993802011964 34.8920165609084, 136.993244563638 34.8922379658627, 136.993041676897 34.8923184564704, 136.992598756906 34.8924968505526, 136.992246820499 34.892536487909, 136.992026900418 34.8925056749799, 136.992001114714 34.8916495033621, 136.991980291656 34.8910582924668, 136.992472527402 34.8908730701019, 136.995053093838 34.8898927276528, 136.995618791068 34.8900891105794, 136.99588776013 34.8907175056035, 136.993810385453 34.8915079348866, 136.994007417052 34.8918909972689)) ^^http://www.opengis.net/ont/geosparql#wktLiteral