メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.760138161561 34.7781054776706, 134.758113559083 34.7790406167467, 134.758076200664 34.7789466626661, 134.758167253036 34.7789614923431, 134.758143601443 34.7788874257651, 134.758097279902 34.7787423705311, 134.758087701254 34.7787322229964, 134.757568151281 34.7769042552232, 134.757565933225 34.7768965144843, 134.75933362329 34.7764600731177, 134.759268442316 34.7761247728088, 134.760031177823 34.7759666155877, 134.760094024262 34.7779625178074, 134.760138161561 34.7781054776706)) ^^http://www.opengis.net/ont/geosparql#wktLiteral