メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.070405747849 35.2366552151899, 137.070392721103 35.2370371860452, 137.070375129383 35.2374059842116, 137.070352849369 35.2378742172058, 137.070243033419 35.2378834958394, 137.069737452625 35.2379131596239, 137.069242174189 35.2379305765047, 137.069126021704 35.2374987808869, 137.069002943851 35.2371252209411, 137.068884447961 35.2367441295397, 137.068744677144 35.2362706956041, 137.0704222935 35.2362047965226, 137.070405747849 35.2366552151899)) ^^http://www.opengis.net/ont/geosparql#wktLiteral