メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.112756687696 36.5655692529363, 137.110014176379 36.5688559873765, 137.109837101846 36.5688883638812, 137.108247703572 36.5683352159853, 137.108389592901 36.5681945059665, 137.108467512367 36.5680199364155, 137.108480761874 36.5675870519632, 137.108506948839 36.5671489646707, 137.108455649834 36.5665752739927, 137.108436500018 36.5662414695424, 137.108608302797 36.5656026535724, 137.108272270866 36.5653938829914, 137.107929945526 36.564950410464, 137.107729770189 36.5646061003526, 137.107636348253 36.564186225326, 137.108685196154 36.5649312288371, 137.108870358498 36.5648339430726, 137.10954654089 36.5645291532677, 137.110198594349 36.5642308602643, 137.110729706626 36.5642311007948, 137.111236590379 36.5643676340651, 137.11150204175 36.5645105702229, 137.111799620236 36.5647638822495, 137.112241887959 36.5652314658464, 137.112756687696 36.5655692529363)) ^^http://www.opengis.net/ont/geosparql#wktLiteral