メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.167774093266 34.2314431082897, 135.167463166574 34.2314577693851, 135.167456938662 34.2316433930528, 135.166330156161 34.2316505606109, 135.166337672504 34.2313423891643, 135.166327624329 34.2310007129603, 135.16758845696 34.2309943098431, 135.167614685691 34.2312860869752, 135.167775728796 34.2312760464795, 135.167774093266 34.2314431082897)) ^^http://www.opengis.net/ont/geosparql#wktLiteral