メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.896202664913 43.338664052633, 141.89546609322 43.3389258054316, 141.894927935525 43.339139355326, 141.894607576182 43.3392530042536, 141.893883205029 43.3395555040124, 141.893577951996 43.339659912483, 141.893499695911 43.3396824563884, 141.893101539169 43.339821670618, 141.892510962936 43.3400280827779, 141.892337294832 43.3400775473545, 141.892111600884 43.3405951747456, 141.891742170157 43.3406495848895, 141.891711024262 43.3398454793712, 141.891701660202 43.3396036566481, 141.891663000385 43.3393541475197, 141.891896728014 43.3392545854231, 141.891651581838 43.3383630971469, 141.891642235932 43.3383425313367, 141.891835833023 43.3383154945177, 141.891754908107 43.3380069173761, 141.892528167368 43.3378567059856, 141.893189086035 43.3377238635907, 141.893982406636 43.3375239801424, 141.89511745493 43.3372110698403, 141.895602475106 43.3370519292305, 141.896202664913 43.338664052633)) ^^http://www.opengis.net/ont/geosparql#wktLiteral