メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.117417016959 37.9212562038333, 140.11531195486 37.9215822564732, 140.114631634188 37.9216894672158, 140.114056615544 37.9217867580074, 140.113893016965 37.9212374159782, 140.113574602083 37.920168349339, 140.114182699862 37.9200718257392, 140.114199609316 37.9200691133071, 140.114873775438 37.9199674985916, 140.115576660809 37.9198592974153, 140.116095771237 37.9197710912633, 140.116608947737 37.9196763703201, 140.117324187343 37.9195762589089, 140.117417016959 37.9212562038333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral