メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.842415755463 34.9240106792065, 134.841906669426 34.9243409249778, 134.841724620816 34.9242718208361, 134.8412385913 34.9241612343807, 134.841604035547 34.9236389018083, 134.841908522424 34.9231880943579, 134.842843376572 34.9236088653571, 134.842950244059 34.9235993325623, 134.842906644587 34.9236352220616, 134.842580863509 34.9239192790634, 134.842415755463 34.9240106792065)) ^^http://www.opengis.net/ont/geosparql#wktLiteral