メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.030288742236 35.2775866136784, 137.030109113177 35.2780886010394, 137.029994210558 35.2785562979946, 137.029087276037 35.2784289013621, 137.028923827313 35.2783725828462, 137.028817406958 35.2783194289915, 137.028635038827 35.2782100575626, 137.028112207949 35.2778577464291, 137.027617232687 35.2775149725055, 137.027739683873 35.2773920156738, 137.028737085413 35.2763992172589, 137.028808686746 35.2763180315391, 137.029258584068 35.2758841088752, 137.029534108996 35.2755971684609, 137.030207620016 35.276095637861, 137.029796105038 35.2765224252182, 137.030418928351 35.2770752723714, 137.030460649091 35.2771470122512, 137.030288742236 35.2775866136784)) ^^http://www.opengis.net/ont/geosparql#wktLiteral