メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.192092959012 43.5120498134895, 142.192183642534 43.5120575938092, 142.193143781652 43.5121396103037, 142.194391983669 43.5122256603186, 142.19432679002 43.5126514585754, 142.19422440037 43.513325613522, 142.194124644304 43.5139636590133, 142.193988957264 43.5148429238041, 142.19287973455 43.5147545134849, 142.192456496577 43.5147165406204, 142.191710176338 43.5146495708458, 142.190766959457 43.5145777145987, 142.190907398126 43.5136980674164, 142.190960922221 43.5131790181084, 142.191095059394 43.5123948288715, 142.191164824659 43.5119794420187, 142.192092959012 43.5120498134895)) ^^http://www.opengis.net/ont/geosparql#wktLiteral