メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.231588264586 34.7137251891865, 135.231497475417 34.713910661181, 135.231457465694 34.7139965963765, 135.231307836644 34.7142934963063, 135.231286460982 34.7143359105702, 135.231177273591 34.7145868749371, 135.23102534591 34.7149237944422, 135.230483013518 34.7147452441264, 135.230414542897 34.7147232118746, 135.230630000979 34.7142589143245, 135.230689282607 34.7141329750154, 135.230841259003 34.7138005629023, 135.230878418425 34.7137033804696, 135.230958414348 34.7135292568881, 135.230979662093 34.7134750117727, 135.23107025706 34.7132715120705, 135.231297540959 34.7133413903746, 135.231700081246 34.7134651903803, 135.231588264586 34.7137251891865)) ^^http://www.opengis.net/ont/geosparql#wktLiteral