メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.624089660965 34.642456474758, 135.622938850302 34.6424692662284, 135.622938117733 34.6418008765325, 135.622929441604 34.6415136329606, 135.622918266187 34.6413369585987, 135.622897188669 34.6404743983435, 135.622869642775 34.6394968749784, 135.622903600999 34.6394969798628, 135.624055217205 34.6394568645598, 135.624053298853 34.6407741955029, 135.624063015252 34.6415030423046, 135.624089660965 34.642456474758)) ^^http://www.opengis.net/ont/geosparql#wktLiteral