メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.951637344183 35.1566902375369, 136.951378139199 35.1567801339252, 136.95044215274 35.1571422138527, 136.949650446618 35.1574351774107, 136.949426650804 35.1575179491991, 136.949308521552 35.1575363304671, 136.94930277825 35.1575191365041, 136.949140338523 35.1570602505754, 136.949022850922 35.1566271494607, 136.949653210571 35.1563908049748, 136.949952949951 35.156278449755, 136.950877455559 35.1559340291224, 136.951148318544 35.1558197178409, 136.951637344183 35.1566902375369)) ^^http://www.opengis.net/ont/geosparql#wktLiteral