メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.992097174271 35.1552688729441, 136.99216546118 35.1557834112363, 136.992199106525 35.1560757842156, 136.992229374629 35.1563387869903, 136.992271680983 35.1566521591246, 136.992304126663 35.1568942495482, 136.991631677362 35.1569298245823, 136.991117615046 35.1569739358466, 136.990577073284 35.157063923269, 136.989782360631 35.1573233237321, 136.989827251431 35.1569709231693, 136.989868071736 35.1566359120459, 136.990057548874 35.155023436692, 136.991054339784 35.1549514422065, 136.991092975974 35.1549486815709, 136.992045544743 35.1548798541917, 136.992097174271 35.1552688729441)) ^^http://www.opengis.net/ont/geosparql#wktLiteral