メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.967221273555 35.1698716779707, 136.967110182312 35.1703512203754, 136.967014339847 35.170811068303, 136.966923612977 35.1711235993651, 136.966642624171 35.1712435631219, 136.966314832763 35.1713526044178, 136.966090262937 35.1714432922274, 136.965706970789 35.1715815367424, 136.965634857372 35.1716093051269, 136.965364027805 35.1716849157636, 136.965137057908 35.1717657390477, 136.965118187245 35.171713665368, 136.964976397135 35.1711422272198, 136.964966840266 35.1710957324631, 136.964942408889 35.1709766759375, 136.964875014438 35.1707334635309, 136.964739698855 35.1704515462126, 136.964707926566 35.1703800841082, 136.964609994788 35.1702082998748, 136.964975917207 35.1700866504971, 136.965154686754 35.1700384946772, 136.965312092462 35.1699935439341, 136.965951703172 35.16981508989, 136.966150531347 35.1697706264981, 136.966174954724 35.16977045571, 136.966790050132 35.1698232269861, 136.966940848545 35.1698409388706, 136.96711001062 35.1698466377129, 136.967221273555 35.1698716779707)) ^^http://www.opengis.net/ont/geosparql#wktLiteral