メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.6642972448 35.159121122561, 138.666150305066 35.1589919679504, 138.666186874323 35.1592690360394, 138.666341863974 35.1597558760083, 138.666582311724 35.1601911903793, 138.666776894056 35.160514097989, 138.66689705386 35.1606966121843, 138.667173637199 35.1610535619127, 138.667649065621 35.1616580581961, 138.667193669454 35.1620848971758, 138.666851325365 35.1623454497616, 138.666587991628 35.1625167308942, 138.66626592212 35.1626670374859, 138.666070685784 35.1627530843864, 138.665345145109 35.1630373965097, 138.664784043591 35.1632696460268, 138.663981422192 35.1636010294756, 138.663354792147 35.1638595612922, 138.662792385648 35.1641853268074, 138.662141631759 35.164662130429, 138.661810027545 35.1649877230119, 138.66135178539 35.1656094787576, 138.660560690228 35.1666818969313, 138.659813903525 35.165457644453, 138.659437956265 35.1648196027631, 138.65919659249 35.1643148360744, 138.658961873743 35.1635953359019, 138.658879900376 35.1632500105942, 138.658829519569 35.1628030932, 138.658774505418 35.162278502697, 138.658658348568 35.1607007283352, 138.658576343588 35.1600347621993, 138.660854915066 35.1595947074256, 138.662448612295 35.159286160393, 138.664181904453 35.1591257864102, 138.6642972448 35.159121122561)) ^^http://www.opengis.net/ont/geosparql#wktLiteral