メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.243251534421 35.01846035751, 136.244154294813 35.0197140571608, 136.242321221292 35.0201178864495, 136.241761728131 35.0201892398713, 136.241573791954 35.0196977210957, 136.241185986988 35.0197282288723, 136.240913597394 35.0188820483368, 136.240656874756 35.0180845203716, 136.240252698067 35.0175704806391, 136.239612827633 35.0166475480692, 136.240577241059 35.0162469398156, 136.241533388741 35.0158327496874, 136.241759092578 35.0161956699898, 136.242026616462 35.0166249126977, 136.242200120696 35.0169126561608, 136.243251534421 35.01846035751)) ^^http://www.opengis.net/ont/geosparql#wktLiteral