メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.967398725184 37.8752956421852, 138.96764399507 37.8754430580288, 138.967713655298 37.8754845948008, 138.967942764427 37.8756250352878, 138.968047201103 37.8756893811878, 138.968355502777 37.8758825823681, 138.968643838877 37.8760500965295, 138.968715908489 37.8760931729206, 138.969235553047 37.8764109708743, 138.969369884398 37.8765047628439, 138.970120388444 37.8769139938464, 138.970398929993 37.8770973106086, 138.970903709376 37.8774069956474, 138.970877367277 37.8774401859187, 138.970571653739 37.8778772700589, 138.970275566311 37.8782771505832, 138.969893215872 37.8786862421554, 138.969860720129 37.878673560645, 138.969554582328 37.8784743000384, 138.969163924055 37.8782367995151, 138.968761732832 37.8779799135856, 138.968606535721 37.8779014089935, 138.968263457544 37.8777008857303, 138.967932205458 37.8775097464993, 138.967764244153 37.8774132712608, 138.967365725574 37.8772083174833, 138.966930673145 37.8770044942812, 138.966470876776 37.8767980911893, 138.966059745961 37.8766411907738, 138.966021930396 37.8766296555632, 138.96650132435 37.8760076117368, 138.966444242551 37.8759823563935, 138.966602705917 37.8757252226326, 138.967046750105 37.8750896600569, 138.967253403779 37.8752114657065, 138.967398725184 37.8752956421852)) ^^http://www.opengis.net/ont/geosparql#wktLiteral