メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.560548797446 35.8318186800622, 139.561005556332 35.8320500448248, 139.561605318244 35.8322633161212, 139.561203588017 35.8326228712081, 139.560955145259 35.8328449834338, 139.560730782651 35.8330494934673, 139.559836026015 35.8338758268295, 139.559531905448 35.8336456319403, 139.559189180311 35.8333836259139, 139.558728635517 35.8330463029067, 139.559751197569 35.8323585145159, 139.560014051344 35.832183756313, 139.560313241564 35.8319778154347, 139.560548797446 35.8318186800622)) ^^http://www.opengis.net/ont/geosparql#wktLiteral