メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.498263630974 39.4454752854822, 140.498156128667 39.4455303610049, 140.497938798607 39.445652680135, 140.497732392588 39.4458252429635, 140.497570652481 39.4460048303408, 140.497372283885 39.4463644348021, 140.497264382661 39.4465026205485, 140.496651635435 39.447067049386, 140.496319206396 39.447426262877, 140.495816350016 39.4479096125959, 140.495625564299 39.4480873873226, 140.49548206286 39.4481908776562, 140.495284984828 39.4482803138926, 140.494855495764 39.4483760415409, 140.493647609632 39.4486357204724, 140.493791114564 39.4485322314438, 140.493944053637 39.4483318303876, 140.493998175145 39.4482281154892, 140.493981605222 39.4479579356564, 140.493938753119 39.4475768756956, 140.493850537257 39.4473411464624, 140.493752921967 39.4471954326593, 140.493637327813 39.4470704276722, 140.493509503959 39.4469358501721, 140.494099475299 39.4466873920682, 140.494807609364 39.446266963808, 140.495945976537 39.4455915117454, 140.496636277209 39.4451571912859, 140.497779151662 39.4444644113569, 140.498263630974 39.4454752854822)) ^^http://www.opengis.net/ont/geosparql#wktLiteral