メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.202813955085 34.7009888583648, 135.202682917269 34.7012444625441, 135.202453135195 34.7017126195643, 135.201251179956 34.701331313647, 135.201505172061 34.7008291804227, 135.201665497336 34.7005035037378, 135.201794091277 34.7002749623528, 135.202797465328 34.7009777077737, 135.202813955085 34.7009888583648)) ^^http://www.opengis.net/ont/geosparql#wktLiteral