メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.880362532996 33.8808145727424, 130.880613538026 33.8810434641186, 130.880654339387 33.8811117612029, 130.880708822629 33.881202893766, 130.880788190654 33.8813822413665, 130.880898074636 33.8818134422361, 130.880207183295 33.8819493586193, 130.879499457951 33.8820885636718, 130.879123934725 33.8821110887718, 130.879305997394 33.8812652766188, 130.879442762542 33.8804528092443, 130.879463323324 33.8804185959489, 130.87949309988 33.880369034956, 130.879684958882 33.8801831890829, 130.879892103541 33.880385484092, 130.880362532996 33.8808145727424)) ^^http://www.opengis.net/ont/geosparql#wktLiteral