メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.918014626901 35.3467014490672, 136.916680752456 35.3468473181169, 136.916668606279 35.3467268155428, 136.916661692457 35.3466582259206, 136.91670312276 35.3466019766708, 136.916827136191 35.346523354975, 136.916877257823 35.3464642359161, 136.916911117897 35.3463817095915, 136.916915625167 35.3458244145924, 136.918179858364 35.3457706702338, 136.918014626901 35.3467014490672)) ^^http://www.opengis.net/ont/geosparql#wktLiteral