メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.459872174467 40.7841602108524, 140.460687935177 40.7847539904639, 140.460548146534 40.7848516887361, 140.460472123348 40.7848648820471, 140.460396260398 40.784849228405, 140.460190314418 40.7850082765887, 140.459996335061 40.7848402682668, 140.459363207336 40.7851047383777, 140.459094512587 40.7847171121618, 140.458950155728 40.7848326649593, 140.458634363065 40.785060024109, 140.458106653312 40.785038119691, 140.45715977472 40.7857268016372, 140.457140386896 40.7853446249803, 140.457185262662 40.7852659700198, 140.457230074787 40.7851985721181, 140.458494822173 40.7842410252872, 140.458787004582 40.7840223851465, 140.459504268091 40.7834811931688, 140.45977188127 40.7832685214606, 140.460119336219 40.7829925043791, 140.461154124159 40.7834393074908, 140.461548789606 40.7836140097709, 140.46146219872 40.7836591817228, 140.461102208939 40.7837437186365, 140.460868848412 40.7836951244013, 140.460723299273 40.7838966520633, 140.460249903583 40.7839004726984, 140.459872174467 40.7841602108524)) ^^http://www.opengis.net/ont/geosparql#wktLiteral