メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.487656013173 43.0668778561066, 141.488590510773 43.0665355884323, 141.489310635448 43.0671734216904, 141.489701093759 43.0675228162878, 141.490181402682 43.067952840887, 141.490254528841 43.0680202106864, 141.490522519973 43.0682670911975, 141.490963807363 43.0686496623641, 141.491655954846 43.0692496669293, 141.491734969727 43.0693181998525, 141.492036415506 43.0695795742853, 141.492342369552 43.0698411883358, 141.492475223177 43.0699547363907, 141.491813666114 43.0704639785774, 141.491709217457 43.070544377429, 141.491171026594 43.0709513995397, 141.490803401246 43.0712293686189, 141.490679453301 43.0713232118088, 141.490480848191 43.0714733855645, 141.490301558966 43.0716089882586, 141.490004904054 43.0718334833206, 141.489856794528 43.0719455200248, 141.489685499679 43.0720744943035, 141.489190636671 43.0724471924678, 141.48917659661 43.0724577191577, 141.489022921828 43.0725735159301, 141.488575133518 43.0729091092013, 141.488097839824 43.07327580183, 141.487680002427 43.0735934452204, 141.48758625632 43.0736646988686, 141.487014330312 43.0740996101752, 141.485914864228 43.0733237783806, 141.485564279232 43.073076336448, 141.485121626009 43.0727420534506, 141.485076529742 43.0727079935675, 141.484718018896 43.0720760698961, 141.484551035189 43.0717648667331, 141.484342749645 43.071376867501, 141.484324607838 43.0713430577613, 141.484270416701 43.0712420522955, 141.483938033504 43.0706896331257, 141.48355637933 43.0699805390428, 141.483986833286 43.0696508274467, 141.484464836289 43.0692846490056, 141.484608417357 43.0691745576627, 141.485014017955 43.0688639462869, 141.485392839056 43.0685736906511, 141.485500047686 43.068491627779, 141.48600207301 43.0681170239566, 141.486172333235 43.0679899475523, 141.486483516422 43.0677577521103, 141.486511159199 43.0677371186582, 141.486569252552 43.0676936901031, 141.487263506983 43.0671749189619, 141.487502847008 43.0669959750728, 141.487656013173 43.0668778561066)) ^^http://www.opengis.net/ont/geosparql#wktLiteral