メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.815767812225 34.7356831643042, 137.814665398477 34.735833019089, 137.81445724308 34.7358225476497, 137.814264865081 34.7358230115362, 137.81357462168 34.7358437634824, 137.813555507344 34.7360100067143, 137.813465689259 34.7360342898981, 137.813069301434 34.7360905048213, 137.81306875606 34.7360427511779, 137.812852121463 34.736041526026, 137.812710210302 34.7360360752176, 137.812590785953 34.7360245529006, 137.812490107105 34.7360055316574, 137.812025659327 34.7359250080547, 137.811711141617 34.734600302594, 137.812384637945 34.7346386270551, 137.812947970804 34.7347219614051, 137.812978114759 34.7345787395381, 137.81319079022 34.7346045921983, 137.813212232502 34.7344923104028, 137.813644315547 34.734529261964, 137.813646608737 34.734670272026, 137.814681408541 34.7345768104321, 137.814714916112 34.7342162662425, 137.815319226529 34.7341353004107, 137.816421207452 34.7339733231624, 137.816756760529 34.7355384363296, 137.815767812225 34.7356831643042)) ^^http://www.opengis.net/ont/geosparql#wktLiteral