メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.735353896111 35.4385527646539, 136.735267902614 35.43876096734, 136.735155977212 35.4390718881633, 136.73471850598 35.4390017404431, 136.734737650029 35.4389052291841, 136.73215645062 35.4385051920029, 136.732270855865 35.4382870234907, 136.732379342017 35.4380817194673, 136.735353896111 35.4385527646539)) ^^http://www.opengis.net/ont/geosparql#wktLiteral