メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.863015007532 35.4010626610029, 136.864821566622 35.4010857608435, 136.864834162213 35.4013936057476, 136.864814568412 35.4016266523945, 136.864804468131 35.401694302039, 136.864791019821 35.4018129290024, 136.86477098423 35.4020311852654, 136.863197183431 35.4019293816298, 136.862713416088 35.4018955461654, 136.862720099264 35.4018277465256, 136.862336162775 35.4018705714242, 136.862330953056 35.4018318260023, 136.862309197177 35.4016700823945, 136.862263665656 35.4013629981529, 136.862219676699 35.4010635941198, 136.862927665936 35.4010624389468, 136.863015007532 35.4010626610029)) ^^http://www.opengis.net/ont/geosparql#wktLiteral