メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.594653182301 34.4897508266671, 135.594628431263 34.489706090862, 135.594561892446 34.4895775426127, 135.594238009364 34.4889520167591, 135.594810655491 34.4888972816212, 135.595462207644 34.4888401283301, 135.595765701978 34.4888504255861, 135.595888194657 34.4888585770312, 135.596063621926 34.4888436601831, 135.596158287577 34.4888453801076, 135.59711075166 34.4888935892032, 135.597586444226 34.4890303795841, 135.59747745895 34.4890525608191, 135.595529319056 34.4894518447316, 135.595569553295 34.4895759386559, 135.594653182301 34.4897508266671)) ^^http://www.opengis.net/ont/geosparql#wktLiteral