メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.591097751842 34.6168221800679, 135.591100915599 34.6169679294036, 135.59110911765 34.6173458062156, 135.591095848346 34.6178630066276, 135.59110289195 34.6183990113801, 135.590012993012 34.6184176076878, 135.588747601322 34.6184346171689, 135.588734584366 34.6179039446803, 135.588733568813 34.6173751445078, 135.589992453199 34.6173614937501, 135.589989211338 34.6171541334372, 135.589991247906 34.6169566516812, 135.589991857507 34.6168325532963, 135.589980437412 34.6163214661553, 135.591080972854 34.6163083992512, 135.591097751842 34.6168221800679)) ^^http://www.opengis.net/ont/geosparql#wktLiteral