メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.951357324009 39.6394416890148, 141.951316432114 39.6396432320004, 141.951306996627 39.6396902232366, 141.951292837058 39.6397264586305, 141.951236796003 39.6398746316078, 141.951229989285 39.639898411271, 141.951213911926 39.6400978145023, 141.951213336324 39.6401467613447, 141.951157060814 39.6406696135987, 141.951154718952 39.6407276548777, 141.950521391054 39.6406749658915, 141.949821584171 39.640631286571, 141.948879937153 39.6405644917472, 141.947443806381 39.6404417138648, 141.947216645748 39.6404257061459, 141.947094998985 39.6404171279251, 141.947076489835 39.640369772114, 141.94706576555 39.6403424311418, 141.947063052312 39.6403152600239, 141.947424601057 39.6402322698461, 141.947383723572 39.6401126140039, 141.94749849287 39.6400728795725, 141.948782813711 39.6397385615006, 141.949705202579 39.6395429975755, 141.949964990855 39.6394883530038, 141.950268582815 39.6394240329213, 141.950662792602 39.639335019575, 141.95138392022 39.6392172741555, 141.951357324009 39.6394416890148)) ^^http://www.opengis.net/ont/geosparql#wktLiteral