メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.847992302231 34.7280170653498, 134.848742118658 34.7289079214552, 134.849488477781 34.7298094936383, 134.848789587984 34.7302243398044, 134.847784203414 34.7308006399399, 134.847001138148 34.729886395563, 134.846659932001 34.7294689216857, 134.846260752946 34.7290078851719, 134.845731795172 34.7283894916033, 134.845054214762 34.7275649396373, 134.845211285199 34.7274866625794, 134.845770536257 34.7271352497658, 134.846243117401 34.7268396995041, 134.846553775075 34.7266927354701, 134.846803159902 34.7266174472982, 134.847992302231 34.7280170653498)) ^^http://www.opengis.net/ont/geosparql#wktLiteral