メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.069740502748 35.2391893901216, 137.069246376998 35.2391870890212, 137.068806008525 35.2391914489378, 137.068380523179 35.2391948341735, 137.067877255023 35.2391925903099, 137.06786045946 35.2388875686495, 137.067677645409 35.238733541276, 137.067518741743 35.2385842514634, 137.067372203257 35.2384665226231, 137.06709033369 35.2382450864472, 137.066953177757 35.2381679986498, 137.066645642039 35.2380541492477, 137.067803231321 35.237987570757, 137.068798349022 35.2379527513838, 137.069242174189 35.2379305765047, 137.069737452625 35.2379131596239, 137.069740502748 35.2391893901216)) ^^http://www.opengis.net/ont/geosparql#wktLiteral