メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.047338025699 42.9181792251222, 143.048082501207 42.9182267927484, 143.04882300108 42.9182741014915, 143.048758634649 42.9187507683701, 143.048667975362 42.9193775667094, 143.048477073893 42.9207602178431, 143.047477051009 42.9206857348649, 143.046975933566 42.9206481462594, 143.047143251373 42.9194117422136, 143.046325616739 42.9193724834399, 143.046505301324 42.9181260065746, 143.046521821372 42.9181270872972, 143.047338025699 42.9181792251222)) ^^http://www.opengis.net/ont/geosparql#wktLiteral