メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.955045479013 35.2354225579723, 136.954989627519 35.2358317216499, 136.954858542197 35.2368900598559, 136.954090241034 35.2368307891798, 136.9532218749 35.2367554970918, 136.953278614218 35.2362403592974, 136.953340619289 35.2356893169681, 136.953381081737 35.2353742735045, 136.953410238508 35.235147089381, 136.953412736285 35.2351276592033, 136.953605909827 35.2351350343336, 136.95369083105 35.2346407878014, 136.954336598403 35.2346939395, 136.95512360228 35.234766272367, 136.955045479013 35.2354225579723)) ^^http://www.opengis.net/ont/geosparql#wktLiteral