メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.537342467903 37.6558876400558, 140.536850192147 37.6559087364202, 140.53660441304 37.6559572249848, 140.536361738017 37.655987390575, 140.535997507612 37.6560051869692, 140.535112126489 37.6559679366477, 140.535108423341 37.6559226231691, 140.535126322174 37.6556427691728, 140.535129335161 37.6555960083226, 140.535156653505 37.6553477756618, 140.535332114246 37.6553916443525, 140.535461996233 37.6553953771458, 140.535704788419 37.6553916801437, 140.535687127284 37.6552091817167, 140.53603408718 37.6551305274057, 140.536783782118 37.6549913260071, 140.536834368052 37.6549662456032, 140.536845424582 37.6549415413391, 140.536859290716 37.6549145695001, 140.536898653163 37.6548963138488, 140.537261438095 37.6548154494403, 140.537241644292 37.6551890806713, 140.537337898769 37.655680846996, 140.537342467903 37.6558876400558)) ^^http://www.opengis.net/ont/geosparql#wktLiteral