メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.176375272848 34.2211276698472, 135.176375464501 34.2211079500208, 135.176419307803 34.2209938619583, 135.177016671061 34.2210885887553, 135.177742622022 34.2211526211095, 135.177557856193 34.2218435942611, 135.176823468766 34.2216872373399, 135.176247570066 34.2215646208445, 135.175693780289 34.2213834100325, 135.175727576365 34.2210819040266, 135.176375272848 34.2211276698472)) ^^http://www.opengis.net/ont/geosparql#wktLiteral