メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.9138270705 38.6016592589199, 140.91085020093 38.6023244641589, 140.910928960028 38.6029706991922, 140.90969149389 38.6032726327911, 140.908685236736 38.5954149200943, 140.909836104991 38.5953194269285, 140.912402780389 38.59511063447, 140.91461185937 38.5949151286266, 140.916169384062 38.5947676272835, 140.91634033016 38.5959881476479, 140.916547784999 38.597305492152, 140.916740667765 38.5986229877817, 140.916986932514 38.600031524526, 140.917028545289 38.6003793443258, 140.915010573639 38.6005767350314, 140.914963203967 38.6015388092003, 140.9138270705 38.6016592589199)) ^^http://www.opengis.net/ont/geosparql#wktLiteral