メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.830001487666 35.2171183740021, 136.831133864089 35.2179590726366, 136.831187837946 35.2179910533601, 136.831972423334 35.2184562619503, 136.832162904572 35.218536578381, 136.831619389551 35.218950166344, 136.830693374601 35.2191426164671, 136.830585320098 35.2187183582894, 136.830525049681 35.2184906480381, 136.830347367684 35.2179287983291, 136.829587841373 35.2179031009291, 136.828065230682 35.2178516115548, 136.828544008442 35.2174230698908, 136.829015518812 35.2170121835478, 136.829409384049 35.2166587568922, 136.830001487666 35.2171183740021)) ^^http://www.opengis.net/ont/geosparql#wktLiteral