メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.878202476077 35.1331041247421, 136.877139788876 35.1330814857978, 136.877139399992 35.1331914185228, 136.876643875479 35.1331902174785, 136.876715302493 35.1314915790697, 136.876676118963 35.1314752154217, 136.878224272273 35.1315236142332, 136.878268012188 35.131529987665, 136.878261208493 35.1317402710975, 136.878258825638 35.1318139218122, 136.878251590429 35.1319753907549, 136.878219466835 35.1326923164256, 136.878202476077 35.1331041247421)) ^^http://www.opengis.net/ont/geosparql#wktLiteral