メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.16633780413 34.2297288725948, 135.166327624329 34.2310007129603, 135.165263571912 34.2309935053493, 135.16464671059 34.2309893226741, 135.164627243594 34.2306920988173, 135.165043124518 34.2306799854682, 135.164822785359 34.2303554787681, 135.165073247155 34.2303497118843, 135.165084227557 34.2301380587675, 135.165202627979 34.2301444960306, 135.16609488897 34.2301153230257, 135.166096333697 34.2297347031681, 135.16633780413 34.2297288725948)) ^^http://www.opengis.net/ont/geosparql#wktLiteral