メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.092283958124 35.4563482992705, 137.092132667866 35.4563931677679, 137.091922942549 35.4564436326346, 137.091594959412 35.4561343071817, 137.091251482103 35.4558530692724, 137.090937149242 35.4556449119691, 137.090586728768 35.4554423642382, 137.090270642202 35.455284802238, 137.089999380498 35.4551669508861, 137.090215454076 35.454831392205, 137.090301631798 35.4548698973342, 137.090368480804 35.4548955746881, 137.090441703537 35.4548187212529, 137.09053778327 35.4548700505102, 137.090803091554 35.454531775141, 137.090958065071 35.4546243043909, 137.092324023371 35.455470870723, 137.092584033819 35.4556555394327, 137.092882690133 35.4558692812279, 137.092787842097 35.4560142204409, 137.092674295448 35.4561293583979, 137.092474811348 35.4562697234789, 137.092283958124 35.4563482992705)) ^^http://www.opengis.net/ont/geosparql#wktLiteral