メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.600188814559 43.2938947692954, 144.600124794591 43.293867393652, 144.600074481362 43.2938409315339, 144.600011642979 43.2937992561825, 144.59980657958 43.293639478109, 144.599615820317 43.2935111203188, 144.599496875616 43.2934474617253, 144.599401863614 43.293395336059, 144.599313838463 43.2933395498481, 144.600709558902 43.2912649986612, 144.601009054901 43.2914571506117, 144.601569698838 43.2918154493646, 144.601255681826 43.292275426651, 144.600845612955 43.2928761274672, 144.600188814559 43.2938947692954)) ^^http://www.opengis.net/ont/geosparql#wktLiteral