メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.82625745482 35.4227243080363, 136.826363986308 35.4227442194701, 136.826658661772 35.4227918760251, 136.827314826435 35.4229061416711, 136.827940765336 35.423017008448, 136.827825047982 35.4234996967174, 136.827753316999 35.4238230056707, 136.827686523459 35.4241893556125, 136.827197395755 35.42410844619, 136.827161982573 35.4242798204241, 136.827045710229 35.4248420800183, 136.826411203428 35.4247251285759, 136.826261801567 35.4246900618792, 136.825765875019 35.4245938826162, 136.825125493458 35.4244734924652, 136.825058010392 35.4244608028501, 136.824986013699 35.4244472549783, 136.82511941947 35.4240171178036, 136.825128621076 35.4239874613748, 136.82520345663 35.4237461661804, 136.825263683364 35.423551976338, 136.825329977008 35.4232856581939, 136.825349427592 35.4232382500458, 136.825531427003 35.4226579031314, 136.825664775423 35.4226429965622, 136.825829965438 35.4226565593005, 136.82625745482 35.4227243080363)) ^^http://www.opengis.net/ont/geosparql#wktLiteral