メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.760468686753 35.4355404180866, 136.760450389601 35.4355773968808, 136.760366801528 35.435997027646, 136.760361673123 35.4364194192066, 136.76036142538 35.4364688167004, 136.758654944891 35.4360444017871, 136.758832554399 35.4356053370683, 136.758993421086 35.4352013896278, 136.759052076409 35.4347276307383, 136.760659406643 35.4351273055272, 136.760468686753 35.4355404180866)) ^^http://www.opengis.net/ont/geosparql#wktLiteral