メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.065300206974 38.3778470166874, 141.065207274531 38.3779910718676, 141.065060806066 38.3780024835585, 141.064712693988 38.3785167119213, 141.064630252211 38.3786154159969, 141.064408363879 38.3786976436458, 141.06289861761 38.3800763921841, 141.062192954578 38.3794663998295, 141.062120677869 38.3794144558439, 141.06201994167 38.3793756591786, 141.060300333742 38.3788680054027, 141.058693158187 38.377736623684, 141.060379640869 38.376147962843, 141.060510630619 38.3762061299231, 141.060864952145 38.3763505784433, 141.061488581186 38.3765658742448, 141.063707644712 38.3773046685779, 141.065300206974 38.3778470166874)) ^^http://www.opengis.net/ont/geosparql#wktLiteral