メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.17870763385 33.9880177348772, 131.178883283597 33.9880229480855, 131.178904343058 33.9881029946704, 131.178923972953 33.9881458372865, 131.179013718956 33.988289547903, 131.179145631415 33.9884503613337, 131.179204843182 33.9885363481108, 131.179585288185 33.9892888665579, 131.17963581679 33.9893580198706, 131.179657003067 33.9894491969785, 131.179640738236 33.9895103484432, 131.179606139826 33.9896067124321, 131.179564887319 33.9896935849344, 131.179491914482 33.9898472606313, 131.179415652805 33.9900733203615, 131.179334845446 33.9903121635861, 131.179295614293 33.9904289181199, 131.178511129226 33.9903874024481, 131.177461516325 33.9903343131847, 131.177232105124 33.990319789785, 131.177279920956 33.9897318721258, 131.177299106432 33.9894330859207, 131.177324687373 33.9891661888231, 131.177356884074 33.9887587491937, 131.177370153771 33.988591212682, 131.177426608255 33.9879506755566, 131.17743776277 33.9879513286835, 131.177917925046 33.9879764581696, 131.17870763385 33.9880177348772)) ^^http://www.opengis.net/ont/geosparql#wktLiteral