メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.842035795541 37.7715977410895, 140.841422275946 37.7718106479083, 140.839592607904 37.7721417868438, 140.83992056221 37.7714432288443, 140.840053779855 37.7710915382685, 140.840414463989 37.7706097896682, 140.841076368334 37.7704605319041, 140.841748828324 37.7702723230376, 140.842449182871 37.7700358637833, 140.842633034826 37.7699593931763, 140.844293370901 37.7689516379234, 140.844214712476 37.769159972995, 140.843851130303 37.7697266558533, 140.843424427667 37.7703400493603, 140.843200116349 37.7704279900933, 140.84285277977 37.7705399333716, 140.842572549254 37.7707024048409, 140.842384922473 37.7708928017751, 140.842125592246 37.771236141964, 140.842035795541 37.7715977410895)) ^^http://www.opengis.net/ont/geosparql#wktLiteral