メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.620354958098 36.50248009479, 136.620962454002 36.5034947650063, 136.62151738097 36.5044215396502, 136.619460519106 36.5046431007049, 136.619612756234 36.5051468606147, 136.619762669538 36.5056341011125, 136.619966898128 36.5064044526231, 136.618840245298 36.5064448963458, 136.618378257801 36.5064568290402, 136.617486455455 36.5064881562911, 136.616836951225 36.5065065104179, 136.616736792895 36.5059349712372, 136.616581785345 36.5049299606286, 136.616376497673 36.5035599344914, 136.616152732557 36.5020541489045, 136.616164340784 36.5020529351297, 136.616768853248 36.5019906198142, 136.617917630133 36.5018765817404, 136.619864047951 36.5016689754038, 136.619890900136 36.5017073294551, 136.620188605627 36.5022030819344, 136.620354958098 36.50248009479)) ^^http://www.opengis.net/ont/geosparql#wktLiteral