メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.308633655973 43.0614558358252, 141.308501357898 43.061526834481, 141.307921733337 43.0618219467747, 141.308126710618 43.0620344804263, 141.307083496878 43.0625811353147, 141.306552154558 43.0622286986363, 141.306053807666 43.0617265197467, 141.306643898543 43.061418703139, 141.307210674024 43.0611298208303, 141.307502932967 43.0609790520772, 141.30761952715 43.0609188961122, 141.308531047686 43.0610471540552, 141.309228702488 43.0611365838189, 141.308633655973 43.0614558358252)) ^^http://www.opengis.net/ont/geosparql#wktLiteral