メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.121297485026 37.7870731293792, 139.121288991884 37.787910034432, 139.121257862212 37.7879107602419, 139.121257939501 37.7879459570768, 139.121029303634 37.7879515227464, 139.120968589768 37.787941845212, 139.120789627137 37.7878735167291, 139.120683999077 37.7878287370664, 139.11987049233 37.7875038348627, 139.119270822518 37.7872535545783, 139.119553163636 37.7871318417461, 139.119876741222 37.7865510728604, 139.119816174731 37.7863059943243, 139.119958272474 37.7860474642851, 139.120105358634 37.7859073111781, 139.12029182346 37.7857509017392, 139.12045630313 37.7855644781271, 139.121049572445 37.7859566976653, 139.121246261588 37.7859607332992, 139.121297805609 37.7859617292386, 139.121303603981 37.7860917868432, 139.121301160294 37.7864009743132, 139.121297485026 37.7870731293792)) ^^http://www.opengis.net/ont/geosparql#wktLiteral