メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.86680982843 35.40037880451, 136.866857807887 35.400603851914, 136.866914496558 35.4008928645858, 136.866895716704 35.4008950709498, 136.86650436881 35.4009549325053, 136.866023344374 35.4010123135897, 136.865460536766 35.4010604022367, 136.864821566622 35.4010857608435, 136.864829591764 35.4008645860999, 136.864821023408 35.4005899201019, 136.864814275926 35.4003049061331, 136.864806548069 35.4000295373416, 136.865327065054 35.3999785280271, 136.866701411803 35.3998319888981, 136.86680982843 35.40037880451)) ^^http://www.opengis.net/ont/geosparql#wktLiteral