メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.241796265384 39.6596971029405, 140.241046705895 39.6609562070552, 140.240813596685 39.6607353931236, 140.240532031941 39.6603996993828, 140.240165319015 39.6599012603263, 140.238405843385 39.6617544234497, 140.238402311495 39.661444035752, 140.237736345739 39.6605095532591, 140.237527562303 39.6603413532966, 140.236420000214 39.6597149310643, 140.236253685245 39.6593995927001, 140.23636743014 39.6592423738291, 140.237078561832 39.6585280105339, 140.238331537241 39.657173347175, 140.23846321247 39.6573081476632, 140.238595326928 39.6573916858897, 140.238935053205 39.6576892946773, 140.238999705765 39.6575814323016, 140.242357944635 39.6586932535022, 140.241796265384 39.6596971029405)) ^^http://www.opengis.net/ont/geosparql#wktLiteral