メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.185467877189 35.2435714047592, 136.185457252885 35.2435889564273, 136.185841866512 35.2437678158788, 136.185799332914 35.2438335858743, 136.18682262472 35.2443164101345, 136.186552609489 35.2447159168035, 136.186473866698 35.2448263919496, 136.186225680116 35.2451729046733, 136.186033595192 35.2450813730204, 136.185442766324 35.2447912924713, 136.184582769707 35.2443883249793, 136.184812820921 35.2440659995619, 136.185206395072 35.2434541207379, 136.185467877189 35.2435714047592)) ^^http://www.opengis.net/ont/geosparql#wktLiteral