メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.178786435756 35.3613220792261, 137.178420001237 35.3611166895727, 137.177981894682 35.3608659534704, 137.17777741044 35.3606951965527, 137.177536750951 35.3604738085281, 137.177478435084 35.3604198695315, 137.177321498589 35.3602572072559, 137.177005734074 35.3598592750644, 137.178568969984 35.3600827353613, 137.179189703951 35.3602050015251, 137.17906951888 35.3605531109402, 137.179009778354 35.3606860740114, 137.178786435756 35.3613220792261)) ^^http://www.opengis.net/ont/geosparql#wktLiteral