メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.311294664227 43.094388375945, 141.311610798237 43.0946698222905, 141.311677617622 43.0947371817299, 141.311919282561 43.0949810232891, 141.312220861161 43.0952921676703, 141.311776429775 43.095562733108, 141.311629870647 43.0956517627513, 141.311453184986 43.0957591108157, 141.311248510482 43.0958767784011, 141.311203779678 43.0959025027834, 141.310911275876 43.0960840808042, 141.310861184238 43.096115176668, 141.310570389219 43.0962978229125, 141.310340000321 43.0961073803224, 141.310209312151 43.0959993373324, 141.309782183454 43.0956462252121, 141.309215877028 43.0951258503951, 141.309059971728 43.0949664697237, 141.309940510088 43.0944368931763, 141.309980416044 43.0944128877366, 141.310146236338 43.0943193770151, 141.310805542871 43.0939476211055, 141.311281124166 43.0943763794399, 141.311294664227 43.094388375945)) ^^http://www.opengis.net/ont/geosparql#wktLiteral