メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.166337672504 34.2313423891643, 135.165278000362 34.2313463396942, 135.164636443284 34.2313439618653, 135.16337116322 34.2313538252259, 135.163352064537 34.2310195546005, 135.163710163672 34.2310111402086, 135.16464671059 34.2309893226741, 135.165263571912 34.2309935053493, 135.166327624329 34.2310007129603, 135.166337672504 34.2313423891643)) ^^http://www.opengis.net/ont/geosparql#wktLiteral