メタデータ名 dsd
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.106305967988 37.8772406487047, 139.10594815712 37.8778726392294, 139.105594276347 37.8785139007756, 139.105265344447 37.8791173060371, 139.104946142692 37.8797162941459, 139.104255046774 37.8792355365085, 139.104585394816 37.8788313395824, 139.104896232037 37.8782629436179, 139.105052677364 37.8779767704351, 139.105614482543 37.8769492577538, 139.105987944925 37.8762660837062, 139.106733951954 37.876595204373, 139.106305967988 37.8772406487047)) ^^http://www.opengis.net/ont/geosparql#wktLiteral