メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.786705266493 43.1917484500706, 141.787285127531 43.191777745208, 141.787219817088 43.1925114838121, 141.78717267956 43.1930411706004, 141.787129057315 43.1935313516266, 141.786845554664 43.1935214941821, 141.786635363288 43.1943119155124, 141.786034665351 43.194275075042, 141.785629550341 43.1942502260349, 141.785065965571 43.1942156561427, 141.784463606486 43.1941771480845, 141.78412608622 43.1940189916378, 141.783876167684 43.19390188195, 141.783465659321 43.1937095147715, 141.783413315142 43.1936731226, 141.783129582367 43.1942957193972, 141.782994018894 43.1942936916263, 141.782880615412 43.1943227684854, 141.782759114281 43.1943548360439, 141.782564987205 43.1943688134883, 141.782160673449 43.1943848895026, 141.78181709737 43.1943834886848, 141.781767204231 43.1943845868661, 141.781590693621 43.1943884721495, 141.781417088255 43.1943582262202, 141.780250970837 43.1940902237319, 141.779875960866 43.1939763044224, 141.780634596867 43.193420622492, 141.78091439457 43.1932156736282, 141.781520015573 43.1936102222194, 141.781765046982 43.1937462502022, 141.781985308931 43.1938178285205, 141.782010507986 43.1938260176461, 141.782271605435 43.1938720912254, 141.782579353375 43.1938508401169, 141.782887443227 43.1937845802201, 141.783199076929 43.1936964656835, 141.783318990055 43.1936625598289, 141.783435636288 43.1936241432402, 141.783859699942 43.1935125666277, 141.784173630393 43.1933721250869, 141.784444872008 43.193239528523, 141.784787202527 43.1930040477197, 141.785127019749 43.1927255855841, 141.785412364096 43.1924179281364, 141.785516261058 43.1922944710867, 141.78563786181 43.1921499776918, 141.785957171185 43.1919513927064, 141.786408987289 43.1917321708417, 141.786683284723 43.1917473382732, 141.786705266493 43.1917484500706)) ^^http://www.opengis.net/ont/geosparql#wktLiteral