メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.179494826482 34.2265299324585, 135.179636446799 34.2265376426269, 135.179647842598 34.226621816482, 135.179906898538 34.2266303128635, 135.179902099394 34.2267143773932, 135.179878286255 34.2275013760019, 135.179751731036 34.2274964434678, 135.179481603168 34.2274751938318, 135.179089076389 34.2274488976358, 135.179076998362 34.2263235821843, 135.17926256469 34.2263290521137, 135.17949317235 34.2263417247784, 135.179494826482 34.2265299324585)) ^^http://www.opengis.net/ont/geosparql#wktLiteral