メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.956571255903 37.8302292437445, 140.956991098042 37.8304561227844, 140.956173536196 37.831256930823, 140.955931645956 37.8312006699156, 140.955784870036 37.831160538898, 140.955551674304 37.831080824369, 140.955372957045 37.8310118532845, 140.95535042715 37.8309892617114, 140.95485342367 37.8316153978703, 140.954512972644 37.8320720900108, 140.954436450849 37.8321351847845, 140.953950595609 37.831504602103, 140.954032972676 37.8314646814635, 140.951904263777 37.8288963638906, 140.953044857361 37.8283411365006, 140.95323748361 37.828450242767, 140.954346768607 37.829041114223, 140.956487603613 37.8301847098782, 140.956571255903 37.8302292437445)) ^^http://www.opengis.net/ont/geosparql#wktLiteral