メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.247995296194 34.7175784735076, 135.248370455629 34.7176905908102, 135.247889289536 34.7188571078974, 135.247574564504 34.7187805939949, 135.24738027139 34.7187347262618, 135.246665921208 34.7185552880147, 135.246782509003 34.7182366437951, 135.246975757832 34.7178157269429, 135.246987595721 34.717775353047, 135.247187345927 34.7173253703898, 135.247641388163 34.7174676043783, 135.247941203654 34.7175615546787, 135.247995296194 34.7175784735076)) ^^http://www.opengis.net/ont/geosparql#wktLiteral