メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.756192855993 35.4393818197773, 136.756064668774 35.4397763640252, 136.755869346363 35.4403947560739, 136.755763639797 35.4403770745725, 136.755196866472 35.4401098195519, 136.754499177347 35.4397914511915, 136.753385749438 35.4393145636411, 136.753271960615 35.4392709756161, 136.753758320883 35.4383968337011, 136.753795746574 35.4384060095086, 136.75488883478 35.4386588920833, 136.756220947374 35.4389748582507, 136.75632859697 35.4389993402071, 136.756192855993 35.4393818197773)) ^^http://www.opengis.net/ont/geosparql#wktLiteral