メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.759262549883 35.4222126058177, 136.758740904903 35.4223174064938, 136.758685410955 35.4221219093762, 136.758476735019 35.4221673703433, 136.758166018959 35.4222319250752, 136.758129124651 35.422059027858, 136.758328154674 35.4217336506546, 136.758489713916 35.4217939083053, 136.758703043821 35.4214131226022, 136.759149976874 35.4215717637328, 136.759155226702 35.4214857615533, 136.759648836923 35.4215750848166, 136.759634151325 35.4216815473002, 136.760001672253 35.4216117528639, 136.760051790135 35.4218507833065, 136.760478445767 35.4217747775095, 136.760545691701 35.4219691837185, 136.759833068258 35.4221150781485, 136.759824450223 35.4221008609269, 136.759262549883 35.4222126058177)) ^^http://www.opengis.net/ont/geosparql#wktLiteral