メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.491080665448 34.7267220759176, 137.490891208876 34.7268343158461, 137.490753699896 34.7269326193691, 137.490640447523 34.7269653440203, 137.490498421049 34.7269792382524, 137.490375735722 34.7269669528359, 137.490294128417 34.7269437396298, 137.490239887617 34.7269077947774, 137.490065509995 34.7266853497517, 137.490053557588 34.7266721514741, 137.491365419048 34.7255985913204, 137.492125998384 34.7263183121336, 137.491614367979 34.7263878841264, 137.491396200984 34.7265463694011, 137.491269876007 34.7266229327804, 137.491080665448 34.7267220759176)) ^^http://www.opengis.net/ont/geosparql#wktLiteral