メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.326412384628 37.394700309188, 140.326116826636 37.3944274100147, 140.325963791707 37.3942865458892, 140.326454327243 37.3939106922626, 140.326903885747 37.393570488872, 140.327375327853 37.3931904868911, 140.328077724131 37.3937934007106, 140.32755659422 37.394204727458, 140.327328036855 37.3940109597997, 140.326412384628 37.394700309188)) ^^http://www.opengis.net/ont/geosparql#wktLiteral