メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.487529545883 33.309953530118, 131.487445961906 33.3099877089623, 131.486618207498 33.310118662281, 131.486793575732 33.3098522136298, 131.487307985612 33.3090181081735, 131.487334757495 33.3089747130434, 131.487485597687 33.3087260398263, 131.487616038595 33.3093331204592, 131.487632748345 33.3095440759631, 131.487636746218 33.3097029864156, 131.487597035402 33.3098177597685, 131.487529545883 33.309953530118)) ^^http://www.opengis.net/ont/geosparql#wktLiteral