メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((145.589022223803 43.3440710056285, 145.589234525136 43.3446246731928, 145.58937156461 43.3448674142125, 145.590366629717 43.3453507327637, 145.590341544061 43.3454203072555, 145.589844105795 43.3460753777434, 145.589648801251 43.3463088464495, 145.588997128992 43.3460431764721, 145.588316176717 43.3457214710194, 145.587586882305 43.3454035642251, 145.587066719569 43.3451672311021, 145.587609233818 43.3445606411702, 145.5882160855 43.3438976018387, 145.58856150864 43.3435553952944, 145.588779810414 43.343382924717, 145.588954376773 43.343902185406, 145.589022223803 43.3440710056285)) ^^http://www.opengis.net/ont/geosparql#wktLiteral