メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.920817930117 34.8845459698225, 136.921296718339 34.8853376258667, 136.920274037254 34.8858484461963, 136.920233742761 34.8858686491131, 136.920211040488 34.885886070459, 136.919906563337 34.886120064884, 136.91936307916 34.8855656299849, 136.919447870502 34.8855134707084, 136.919382265202 34.8854376208166, 136.919316980817 34.8853620527888, 136.919217841777 34.885417493132, 136.919176260268 34.8853750766356, 136.919135218381 34.8854018986796, 136.918969391147 34.885208711831, 136.919003481168 34.8851842701563, 136.918839375464 34.8849798169765, 136.919271922936 34.8847755990735, 136.918992352042 34.8844210967079, 136.918689670861 34.8840433727761, 136.91973520005 34.8837258874327, 136.920029631124 34.883662254077, 136.920253118454 34.8836291135338, 136.920612404654 34.884215359732, 136.920817930117 34.8845459698225)) ^^http://www.opengis.net/ont/geosparql#wktLiteral