メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.680672584284 35.1611774183116, 138.681395666593 35.1612989353141, 138.681301363213 35.1616723987418, 138.681158765977 35.1622300967728, 138.680951981531 35.1631138164409, 138.680979452812 35.163154973353, 138.681119426717 35.1633623034481, 138.681357197181 35.1637184344839, 138.681423661124 35.1638236894042, 138.681514249046 35.1639594006988, 138.68171262972 35.1642345326146, 138.681861718227 35.1644331159272, 138.681350907461 35.1645698081538, 138.681021300411 35.1646580550268, 138.680754756708 35.1647216274885, 138.679580693798 35.165017412594, 138.679447561079 35.1646082328769, 138.679153417416 35.1635739947308, 138.678837139783 35.1623489351986, 138.678757064516 35.1620793288004, 138.678717269941 35.1619236786216, 138.678962619698 35.1617323211067, 138.67930523732 35.1613108119946, 138.679666159287 35.1608023702893, 138.679822110353 35.1603069117399, 138.679941177688 35.1602865220443, 138.680573885137 35.1601781729942, 138.680740666164 35.160897378275, 138.680672584284 35.1611774183116)) ^^http://www.opengis.net/ont/geosparql#wktLiteral