メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.138608001152 34.6005365235802, 136.139104429053 34.6007240043253, 136.137898654038 34.6028307344417, 136.137415965867 34.6026204125958, 136.137577347755 34.6022927215383, 136.136763649636 34.6019289528145, 136.136343061499 34.6017756067343, 136.135653562545 34.6015084626429, 136.13641616712 34.6001402423086, 136.136636075735 34.5997810732762, 136.138608001152 34.6005365235802)) ^^http://www.opengis.net/ont/geosparql#wktLiteral