メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.796777184573 35.3099849741438, 136.79741529883 35.3099725611324, 136.798143247711 35.3099657700146, 136.798144418762 35.3106775466603, 136.798170607217 35.3111952410467, 136.798181458466 35.3117039456358, 136.79816535888 35.3123600420149, 136.797951282138 35.3128133453975, 136.796734099269 35.3124436962344, 136.79407313223 35.3115988591973, 136.792806221334 35.3111958451724, 136.79303163894 35.3107292125691, 136.79338788875 35.3099824867959, 136.794238056558 35.3100023699171, 136.795505491372 35.3099757135268, 136.796777184573 35.3099849741438)) ^^http://www.opengis.net/ont/geosparql#wktLiteral