メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.749368437636 35.4109928725811, 136.748109200984 35.4111426171696, 136.747950731186 35.410432156868, 136.748510294186 35.4103929604047, 136.749345596751 35.4103086544155, 136.750514375089 35.4101918965961, 136.751516529296 35.4100682895107, 136.751658622941 35.4109262902226, 136.751697974734 35.4112118396122, 136.751489216438 35.4112362663075, 136.751495018593 35.4112960732865, 136.751144756502 35.4113297331788, 136.751056299342 35.4107740213018, 136.750608500477 35.4108322742326, 136.749368437636 35.4109928725811)) ^^http://www.opengis.net/ont/geosparql#wktLiteral