メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.891144982691 35.2520565954377, 136.891247666861 35.2529666281878, 136.891250166092 35.2529887465744, 136.890609131419 35.253030443356, 136.88945547284 35.2531253197316, 136.888802396552 35.253179020936, 136.888788583228 35.253089270299, 136.888637879851 35.2522695493851, 136.888584341599 35.2519292118745, 136.888493171173 35.2514983645485, 136.888503488364 35.2505516926317, 136.888502156222 35.2504271817041, 136.889689636858 35.2502111197991, 136.890883145987 35.2500504127985, 136.891144982691 35.2520565954377)) ^^http://www.opengis.net/ont/geosparql#wktLiteral