メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.377838903373 34.8127905248034, 137.377908660455 34.8127680063039, 137.377922303707 34.8130983056776, 137.377969792115 34.8132790910899, 137.377945864941 34.8135948068389, 137.37791026102 34.8139713946195, 137.377998699974 34.8140077248879, 137.377829984266 34.8143452425075, 137.377311084169 34.8141838669886, 137.377273842268 34.8141722395558, 137.377073016407 34.8139839722409, 137.377189375947 34.8137288093488, 137.376802890775 34.813591995048, 137.37654405029 34.8135025716661, 137.376225315541 34.8133932479973, 137.376761949051 34.813178493226, 137.376679636939 34.8130228417514, 137.376826268103 34.8129708918305, 137.376910709531 34.8131247085677, 137.377107171471 34.8130550646154, 137.377292885481 34.8126775135366, 137.377324752009 34.8126051951266, 137.377838903373 34.8127905248034)) ^^http://www.opengis.net/ont/geosparql#wktLiteral