メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.754399454201 34.6454717763441, 135.754492888658 34.6456939686538, 135.754590371779 34.6459306784033, 135.754775791423 34.6464052044205, 135.754794755999 34.646448065695, 135.754495967492 34.6464321088489, 135.754214781686 34.6464952120265, 135.754015151236 34.6465660858001, 135.753877775763 34.6466737111078, 135.753748849158 34.6464651102129, 135.753787888898 34.6461723301652, 135.75380201381 34.6460057158346, 135.753832786242 34.6457420783492, 135.75390229262 34.6452894775743, 135.754277586931 34.6451809249001, 135.754399454201 34.6454717763441)) ^^http://www.opengis.net/ont/geosparql#wktLiteral