メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.776681435914 35.4167332838728, 136.775494968944 35.4167728827612, 136.775525698919 35.4170006136961, 136.775006061995 35.4170195014772, 136.775007121685 35.4168001483947, 136.774408172629 35.41681906, 136.77428711767 35.4168226476887, 136.774266987899 35.4164759770637, 136.774288795004 35.4164760475039, 136.775241472959 35.4164306020027, 136.775239303888 35.4163810899662, 136.775474213512 35.4163766358384, 136.775478196915 35.4164246394123, 136.776672459233 35.4163907695553, 136.776694007349 35.4166323428335, 136.776676917617 35.41666197009, 136.776681435914 35.4167332838728)) ^^http://www.opengis.net/ont/geosparql#wktLiteral