メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.190719423433 35.366841570183, 137.19153792068 35.3670017679497, 137.19197773499 35.367086963929, 137.191856124403 35.3675303004066, 137.190719697814 35.3674605175056, 137.189963898469 35.3674144586765, 137.189899655994 35.3674234140599, 137.189603253473 35.3672958602475, 137.189208665806 35.3671812815806, 137.189347661623 35.3665847049368, 137.189840313281 35.3666783500216, 137.190719423433 35.366841570183)) ^^http://www.opengis.net/ont/geosparql#wktLiteral