メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.250352101729 43.1150286854616, 141.25129994258 43.1158296944909, 141.250810108785 43.1161447875572, 141.250567721633 43.1162794630989, 141.250355196211 43.1164137657668, 141.25010992215 43.1165546742945, 141.249868952386 43.1167082092552, 141.24951401145 43.1169275603281, 141.249146056335 43.1171499617672, 141.248804117752 43.117354585177, 141.248449243671 43.1175811072736, 141.247423503482 43.1168068217669, 141.247030143117 43.1165269180513, 141.246996173933 43.1165024276811, 141.246639878808 43.1162457734767, 141.246624792308 43.1162348812104, 141.247079418186 43.1158844744341, 141.24737327662 43.1156198669751, 141.247697228274 43.1153581946767, 141.248053107236 43.114981109559, 141.248249298962 43.1147240151038, 141.248688394118 43.1142944171177, 141.249062603618 43.1144471341261, 141.249280968408 43.1145552377472, 141.249399291603 43.1146168242792, 141.249737178178 43.1147307524497, 141.250180930775 43.1148401183331, 141.250352101729 43.1150286854616)) ^^http://www.opengis.net/ont/geosparql#wktLiteral