メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.45004890617 40.7981850038921, 140.450400610867 40.7981806100592, 140.450499347044 40.8002243902431, 140.450504138341 40.8002244060948, 140.450522354808 40.8007240729167, 140.450088541852 40.8007354412877, 140.448850927246 40.8007679925901, 140.447158405305 40.8008124498675, 140.447165681895 40.8007631552315, 140.447276141296 40.800141813964, 140.44728873448 40.8000709683539, 140.447393384316 40.7995344216095, 140.447415102264 40.7994083455089, 140.447561928748 40.7985559644631, 140.447575802887 40.7983502857973, 140.447567516865 40.7982022257041, 140.448196454637 40.7982073468161, 140.45004890617 40.7981850038921)) ^^http://www.opengis.net/ont/geosparql#wktLiteral