メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.863223127437 35.1331361708837, 136.863210659904 35.1331175467288, 136.861234325868 35.1330814411109, 136.861272651871 35.1326543232916, 136.861306929271 35.132272339346, 136.861342392705 35.1318770472223, 136.861382616864 35.131428735144, 136.861616456544 35.1314271434945, 136.863443320455 35.1314146995899, 136.863438757322 35.1314489864496, 136.863382260071 35.1319076092757, 136.863328533681 35.1323126447528, 136.863279582395 35.1326950842136, 136.863223127437 35.1331361708837)) ^^http://www.opengis.net/ont/geosparql#wktLiteral