メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.331642834698 34.8305177359242, 137.330637529392 34.829816255984, 137.328814314281 34.8285773367144, 137.33031950948 34.8269420548181, 137.331755421884 34.8254005167094, 137.333590500257 34.8265897355137, 137.333617126986 34.8266063919012, 137.332805704454 34.827499074713, 137.333251362504 34.8277717448902, 137.332428577586 34.828489981182, 137.332710827324 34.828657576894, 137.333488415958 34.8279065811594, 137.33384863897 34.8281483048962, 137.334196154262 34.8277253874121, 137.335167289256 34.8283342102839, 137.334622147484 34.8291172898337, 137.334386518039 34.8292224102645, 137.333658669699 34.8295390673837, 137.332576749951 34.8300099470638, 137.331642834698 34.8305177359242)) ^^http://www.opengis.net/ont/geosparql#wktLiteral