メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.761212484815 35.4146346700537, 136.760466779347 35.4146659509527, 136.760442818493 35.4146662415342, 136.760441328808 35.4146361071313, 136.760411950427 35.4146379858979, 136.760163504566 35.4146538886088, 136.760163174408 35.4146485829011, 136.760160101886 35.4145994728182, 136.76015300292 35.4145312130571, 136.760067128859 35.4145363131354, 136.760061291779 35.4143795377949, 136.760100621281 35.4143671696454, 136.760081171889 35.4141286263823, 136.760679928298 35.4140841833439, 136.76091477148 35.414065951179, 136.760902522348 35.413943521403, 136.761191502901 35.4139275827598, 136.761212484815 35.4146346700537)) ^^http://www.opengis.net/ont/geosparql#wktLiteral