メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.167749631803 34.231984304652, 135.166347140367 34.2319681966571, 135.165287581922 34.2319684831165, 135.165292792534 34.2316621276677, 135.166330156161 34.2316505606109, 135.167456938662 34.2316433930528, 135.167463166574 34.2314577693851, 135.167774093266 34.2314431082897, 135.167806085324 34.2318221220997, 135.167743324421 34.2318402927135, 135.167749631803 34.231984304652)) ^^http://www.opengis.net/ont/geosparql#wktLiteral