メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.419346983992 43.0594942161074, 141.419495841075 43.0595794803854, 141.419832667173 43.0598869446064, 141.420608787147 43.0606357477741, 141.420160265627 43.060879991077, 141.419069930188 43.061447668019, 141.418884673496 43.0615433798704, 141.418628514312 43.0616833062726, 141.418195916606 43.061926179793, 141.418015580433 43.0620125014391, 141.417736150166 43.0621351658873, 141.417760284673 43.0621591837697, 141.417590008426 43.0622461395619, 141.417116004056 43.0625004530637, 141.417102960356 43.0625074618794, 141.417053610221 43.0624684913538, 141.416814686187 43.0622623741257, 141.416272975621 43.0618208373179, 141.416201349911 43.0617411950165, 141.415953731364 43.0615542830175, 141.415123444494 43.0608565359787, 141.415575452309 43.0605972178931, 141.416088885805 43.0602777895996, 141.416472384052 43.0600340739746, 141.416524804253 43.0600018222433, 141.41710694872 43.0596435052163, 141.41733295076 43.0595062461898, 141.417753620787 43.0592506991158, 141.417972579523 43.0591092384567, 141.418162482205 43.0589885947472, 141.418317170856 43.05889034203, 141.418559738906 43.0587404004606, 141.419346983992 43.0594942161074)) ^^http://www.opengis.net/ont/geosparql#wktLiteral