メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.024976754666 36.7616999245593, 137.023275758114 36.7626604701416, 137.022662883547 36.7619855372765, 137.022164352359 36.7614297228501, 137.023481760325 36.7607192516743, 137.023488305194 36.7606879984151, 137.023488344308 36.7606670887557, 137.023478727112 36.7606096961209, 137.023462584433 36.7605732055521, 137.023388060436 36.7605100341038, 137.024442555102 36.7604098791184, 137.024521996741 36.7606059127459, 137.024976754666 36.7616999245593)) ^^http://www.opengis.net/ont/geosparql#wktLiteral