メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.25299934856 35.3590993745309, 137.252983445924 35.3590948784477, 137.252021165922 35.3588232841774, 137.251506099809 35.3586609575453, 137.251487491208 35.3586592799382, 137.250522078398 35.3585718279408, 137.25059177581 35.358260165884, 137.249965644019 35.3583114245994, 137.249937242268 35.3572154706559, 137.249898013897 35.3569262739234, 137.249827192203 35.3566273808351, 137.250479623838 35.35670230099, 137.250853828802 35.3567475451574, 137.251230797926 35.3567904624895, 137.251656627477 35.3568325002737, 137.253375198007 35.3570525271068, 137.253227149788 35.3579031792122, 137.25299934856 35.3590993745309)) ^^http://www.opengis.net/ont/geosparql#wktLiteral