メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.569797960058 34.6763215065166, 135.571278589169 34.6762817843591, 135.571812270805 34.6762745018526, 135.572025926514 34.6762725758084, 135.57209101098 34.6771478295834, 135.572243743884 34.6783134216597, 135.571776626112 34.6782640320746, 135.571356613562 34.6782146647721, 135.570715561801 34.6781766321241, 135.56989212111 34.6781938756333, 135.56870286684 34.6782077079726, 135.568661608737 34.6777275093422, 135.56865086317 34.6772655893159, 135.568635601969 34.6768360516735, 135.568610692463 34.6763681658012, 135.569797960058 34.6763215065166)) ^^http://www.opengis.net/ont/geosparql#wktLiteral