メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.094415514114 35.2088234667126, 137.093740133473 35.2087122104307, 137.092114248329 35.2084882476569, 137.092102684475 35.2085192965557, 137.091799617097 35.2084434030601, 137.091608522274 35.2084216636561, 137.091509694376 35.2083973049464, 137.091476031175 35.2083386220675, 137.091452219272 35.2082169173175, 137.091494557489 35.2081822263703, 137.091545845298 35.2081627513595, 137.092661939554 35.2081611954813, 137.093183807112 35.208179546274, 137.093492319225 35.2082120594918, 137.094575725539 35.2083653951385, 137.094415514114 35.2088234667126)) ^^http://www.opengis.net/ont/geosparql#wktLiteral