メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.665595113799 32.5710821914663, 131.665158675322 32.571078571661, 131.664416660306 32.5710691971985, 131.664023763248 32.5710520278347, 131.664060533826 32.5705921068477, 131.664110938782 32.5698468364031, 131.664125627367 32.5694388876843, 131.664996749043 32.5694696753234, 131.665921436434 32.569480974382, 131.667375363386 32.5695008165259, 131.667942866344 32.569518848561, 131.667463531262 32.5701793010818, 131.66714855773 32.5706133190282, 131.666705800601 32.5711915646879, 131.666105213811 32.5710944388229, 131.666094604177 32.5710941791272, 131.665595113799 32.5710821914663)) ^^http://www.opengis.net/ont/geosparql#wktLiteral