メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.723815164274 36.7177548173247, 140.723582565923 36.7178330142521, 140.72319590549 36.718057605145, 140.722754084854 36.7182845764379, 140.722548336899 36.7183629927159, 140.72215144743 36.7184068594907, 140.721513855634 36.7184637834296, 140.72119864654 36.7184919742787, 140.720812877672 36.7184838686119, 140.720657382851 36.7184610912629, 140.720503203203 36.7184385850679, 140.719925438614 36.7183060245604, 140.719905348007 36.7176029768763, 140.719900916184 36.7166574811264, 140.71969953565 36.715688597783, 140.719691924792 36.7156504248171, 140.720254409002 36.7157714147538, 140.720900177946 36.7158950178863, 140.721376267848 36.7159633476083, 140.721866952981 36.7160533970332, 140.721649994765 36.7165994496606, 140.722547816053 36.717055380829, 140.722783375616 36.7166662588317, 140.722980909243 36.7161428767556, 140.72352289971 36.7161316491011, 140.723912499043 36.7163655777043, 140.723734119305 36.7165639720347, 140.723589788426 36.7170594991131, 140.723815164274 36.7177548173247)) ^^http://www.opengis.net/ont/geosparql#wktLiteral