メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.272070896942 42.4851328702641, 143.271330087378 42.4854263083079, 143.271173162181 42.4854884776492, 143.269047152141 42.486339772989, 143.269680946414 42.4871975848403, 143.270184616727 42.4878887284889, 143.270586038205 42.4885034112396, 143.270506521183 42.488534223321, 143.268295354925 42.489427342096, 143.267976704183 42.4895560761841, 143.266636870941 42.4900635670631, 143.264673036861 42.4908548220023, 143.264193706647 42.4902268830158, 143.263178205221 42.4887973473209, 143.26238874726 42.4877049687548, 143.262348695238 42.4876491939915, 143.261470954327 42.48642493358, 143.263208841717 42.4857358913482, 143.265127372265 42.484984313769, 143.267505366833 42.4840430750036, 143.26967282168 42.4831901755559, 143.269833823551 42.4831278311829, 143.271490386633 42.4824859510035, 143.272742413348 42.4819843936402, 143.272507004616 42.4832021873567, 143.272220534768 42.4843659959889, 143.272149296779 42.4847766921424, 143.272070896942 42.4851328702641)) ^^http://www.opengis.net/ont/geosparql#wktLiteral