メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.310494953986 35.235873784423, 137.308218854411 35.2364768698837, 137.307694558335 35.2360495171717, 137.307087597471 35.2355772553152, 137.306425074648 35.2349920935539, 137.306093925651 35.2347221182619, 137.306303180004 35.232907778233, 137.306431238655 35.2312979086806, 137.307063786388 35.2314527375956, 137.307393999669 35.2315640449811, 137.308523752391 35.2322143562469, 137.309295211585 35.2326402857628, 137.310175200915 35.2328388281362, 137.310861778612 35.2328346321452, 137.31187736874 35.2327377816166, 137.312454618557 35.2328249086206, 137.312073723307 35.2334391936645, 137.311829198736 35.2338939414215, 137.311392813573 35.234417865241, 137.310957086525 35.2350551010977, 137.310657626081 35.23551019606, 137.310494953986 35.235873784423)) ^^http://www.opengis.net/ont/geosparql#wktLiteral