メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.857244912132 35.2612610958265, 136.857356600463 35.2619797830343, 136.856299660159 35.2621412805733, 136.855730470659 35.262227343953, 136.853978818828 35.2624872329659, 136.853221637323 35.262528567027, 136.852355477206 35.2625813719156, 136.852305525399 35.2618519845673, 136.852232722893 35.2610512846732, 136.852227950275 35.2608644405535, 136.85443565469 35.2607311967988, 136.854446678953 35.2607276342717, 136.855989644206 35.2606413604369, 136.857111159007 35.2605603887633, 136.857244912132 35.2612610958265)) ^^http://www.opengis.net/ont/geosparql#wktLiteral