メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.365944815387 36.2555643163026, 136.364597632526 36.2555953938528, 136.363083635798 36.2556337683903, 136.363083558986 36.2556322501956, 136.363033366131 36.2546342229665, 136.363792486529 36.2545894328349, 136.36453811323 36.2545378765563, 136.365898597357 36.2544794650683, 136.365910378252 36.2547561809946, 136.365944815387 36.2555643163026)) ^^http://www.opengis.net/ont/geosparql#wktLiteral