メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.696525014045 35.4145619990441, 136.696316331404 35.4145611911723, 136.696195386886 35.4145831869969, 136.693019785497 35.4145633470478, 136.693025459292 35.4140052524865, 136.693025799306 35.4135644939183, 136.69302581866 35.4135611841301, 136.693026126253 35.4135085817519, 136.693022669617 35.4130405551494, 136.693022675173 35.4130396051175, 136.693022465297 35.4130092170077, 136.693023264739 35.4129461235882, 136.693030305974 35.4124038101417, 136.696527608541 35.4124629539958, 136.696526244635 35.4135666434724, 136.696525014045 35.4145619990441)) ^^http://www.opengis.net/ont/geosparql#wktLiteral