メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.095893429231 37.8644395245105, 139.095833877694 37.8648503526951, 139.095741277249 37.8653691869662, 139.095717104303 37.8654328019863, 139.095695931782 37.865488236822, 139.095450251554 37.8661339879436, 139.093867967749 37.8655616508873, 139.092945729006 37.8652308017153, 139.093312811825 37.8645913457345, 139.093671221352 37.8639671375648, 139.093871132399 37.8636188159306, 139.093925469112 37.8636295239329, 139.095565813794 37.8642498533196, 139.095683503791 37.8643099371963, 139.095893429231 37.8644395245105)) ^^http://www.opengis.net/ont/geosparql#wktLiteral