メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.343106886977 37.4053275516711, 140.342582261661 37.4053457205024, 140.342326997745 37.4053172520828, 140.342144577308 37.4053014222489, 140.342065527573 37.404366593626, 140.342158095599 37.4040869963255, 140.341891902977 37.4035325569908, 140.341889330837 37.4031529811269, 140.341894806118 37.4026714380062, 140.342024700168 37.4019547947488, 140.34238434096 37.4019505739532, 140.342417016214 37.4020978462297, 140.342529212869 37.4026249225433, 140.342816889789 37.4039720869836, 140.343041777564 37.4050051262682, 140.343106886977 37.4053275516711)) ^^http://www.opengis.net/ont/geosparql#wktLiteral