メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.202362533706 36.6741535155869, 137.203013775563 36.6741502849271, 137.204164649708 36.6741446389118, 137.204493131566 36.6741459398289, 137.204493140517 36.6741639636355, 137.204558851422 36.6747430975853, 137.204598363658 36.6752500744756, 137.204652839021 36.6757750701671, 137.204652849517 36.6757961219652, 137.204696097356 36.6763030271511, 137.204747150088 36.6768002130418, 137.204722797945 36.6768710492031, 137.204374754173 36.6768815128487, 137.203481071039 36.6769025725305, 137.203406747337 36.6769031586106, 137.203038518803 36.6769061629449, 137.202776513662 36.676919128871, 137.202475666896 36.6769340078351, 137.202123349368 36.6769410164999, 137.201811444713 36.6769811738296, 137.201781020123 36.6763866074623, 137.201771436416 36.6760574644966, 137.201725565173 36.6746802030086, 137.201685749487 36.6741690715236, 137.202362533706 36.6741535155869)) ^^http://www.opengis.net/ont/geosparql#wktLiteral