メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.382821032399 43.7543744585176, 142.383153088069 43.7549619455977, 142.383082877811 43.7549853740493, 142.383345058662 43.7554075629159, 142.381926112271 43.7558278576704, 142.381853857046 43.7558481237721, 142.381609012625 43.7554137278675, 142.381775362412 43.7553561722064, 142.381653437786 43.7551457465929, 142.381647344805 43.7551476429073, 142.381530281241 43.7551823574285, 142.381482473203 43.7551062018974, 142.381606627719 43.7550649570698, 142.381433868302 43.7547667928947, 142.381088104942 43.7548695233105, 142.381055846414 43.7547478508142, 142.381035600205 43.7546348669562, 142.382710758532 43.7541538104901, 142.382810359816 43.7543462368703, 142.382821032399 43.7543744585176)) ^^http://www.opengis.net/ont/geosparql#wktLiteral