メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.32221811016 34.8569181092701, 138.322193637887 34.8570101289366, 138.322176779224 34.8573462830041, 138.322192690501 34.8574797773245, 138.32233212336 34.8578014436002, 138.321939814165 34.8578774204939, 138.32153710196 34.8579554582466, 138.321144784169 34.8580168188603, 138.320557245518 34.8581087528229, 138.320114054932 34.8581781372373, 138.319665587663 34.8582482875878, 138.318721432643 34.8583959094848, 138.318216034054 34.8584749876609, 138.318006298376 34.8575071601557, 138.317789972919 34.8564862181294, 138.31834948092 34.8566711245349, 138.319298031106 34.8565284338945, 138.320163989601 34.8564109050013, 138.320740089 34.8563277568525, 138.320749949655 34.8563263615438, 138.321458918126 34.8562233215645, 138.321965611598 34.8561239462763, 138.322448079881 34.8560312727035, 138.322820215448 34.8560798631912, 138.322743853511 34.8562278004481, 138.322665957174 34.8563371375237, 138.322335002587 34.8567288170637, 138.32221811016 34.8569181092701)) ^^http://www.opengis.net/ont/geosparql#wktLiteral