メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.335338142335 34.8261035707099, 137.335315366362 34.826123322401, 137.335513389939 34.8261572110529, 137.335297758219 34.8264039434052, 137.334769650968 34.8270271297159, 137.334801583924 34.8270532871402, 137.334640311361 34.8272469795668, 137.333617126986 34.8266063919012, 137.333590500257 34.8265897355137, 137.331755421884 34.8254005167094, 137.332488084146 34.8245969011257, 137.332657452889 34.8244167220584, 137.33363615545 34.8250115973394, 137.333900464436 34.8247197944766, 137.334707478867 34.8252449579238, 137.334948142015 34.8249119165354, 137.335851164689 34.8253685578119, 137.335338142335 34.8261035707099)) ^^http://www.opengis.net/ont/geosparql#wktLiteral