メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.618206001683 42.6428373374347, 141.618534895278 42.6430313126822, 141.618509059052 42.643169310524, 141.61867673729 42.6437509315925, 141.618850296526 42.6442884132581, 141.618910245284 42.644793335686, 141.618878390522 42.6452617391864, 141.618775523334 42.6455598177011, 141.618772186144 42.6455695063334, 141.618572958159 42.6459607407746, 141.618329924906 42.6463919656154, 141.618098034108 42.6467951162355, 141.617389219078 42.6465730148365, 141.617281620389 42.6465342970644, 141.616189537606 42.6461758646524, 141.616050957577 42.6461296589749, 141.614981419031 42.645766696767, 141.615351387474 42.6451240500042, 141.615616237834 42.6446850743725, 141.615853771687 42.6442618424292, 141.615877033205 42.6442695682217, 141.615964150078 42.643812022085, 141.616006113635 42.6436860719056, 141.616226614655 42.6428064036215, 141.616364779676 42.6422844309693, 141.616477559711 42.6418647269906, 141.617035849137 42.6421660456261, 141.617666759348 42.6425260019045, 141.618206001683 42.6428373374347)) ^^http://www.opengis.net/ont/geosparql#wktLiteral