メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.547963845427 34.0543620461889, 134.547996322433 34.0544499521824, 134.548190952187 34.0550612811916, 134.547918504656 34.05514671438, 134.547771975369 34.0552047323195, 134.547631013575 34.0552956670874, 134.547188593775 34.0555695494689, 134.54681528814 34.0546655396994, 134.546599639237 34.0540572088799, 134.547751480687 34.0537877772499, 134.547963845427 34.0543620461889)) ^^http://www.opengis.net/ont/geosparql#wktLiteral