メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.780009490864 34.6277440419643, 135.779733963076 34.6277346689502, 135.777872743107 34.6276718350203, 135.777860925079 34.6277508372804, 135.777469252294 34.6277453314918, 135.777518922124 34.6265199149005, 135.77752486475 34.6264718917438, 135.777993460934 34.6264644380364, 135.777993315012 34.6265195154061, 135.778866292881 34.6266554907406, 135.779040307166 34.6266773592419, 135.779259247748 34.6267221293956, 135.779885798961 34.6267691882661, 135.779978673442 34.6267761179665, 135.780009490864 34.6277440419643)) ^^http://www.opengis.net/ont/geosparql#wktLiteral