メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.554505106471 40.5287158999437, 141.554508016286 40.5287162743959, 141.554550807785 40.5287125590783, 141.554575739754 40.5287244350855, 141.554582867429 40.5287570373194, 141.554732107625 40.5289072692883, 141.554933332244 40.5290641083946, 141.554951783448 40.5291034986879, 141.554959040833 40.5291481321376, 141.555098280304 40.5293070468348, 141.555150300908 40.5293256120412, 141.555202572122 40.5293630684965, 141.555293483883 40.5294826033352, 141.555347805165 40.5295563159509, 141.555377403479 40.5295819165543, 141.555531328889 40.5296445219372, 141.555572313856 40.5296786014517, 141.555595431581 40.5297317182012, 141.55543860739 40.5298238870147, 141.55534247828 40.5298665997142, 141.555301475895 40.5299036894453, 141.55530524559 40.529932618399, 141.555336199606 40.5299641923215, 141.555271650481 40.5300196883812, 141.555076292538 40.5301341214167, 141.554777557059 40.5302649600865, 141.553270656167 40.5287134582997, 141.553373540653 40.5286601860647, 141.553364584342 40.5286504614849, 141.553562178208 40.5285296158432, 141.55362195694 40.5285882028478, 141.553823360852 40.5284916077777, 141.553944229393 40.5285202962939, 141.554116204156 40.528439504788, 141.55421097868 40.5285583462548, 141.554261063982 40.5286027118176, 141.554285437132 40.5286104828337, 141.554136521331 40.5286413648552, 141.554234179499 40.528749770094, 141.554283694088 40.5287805563293, 141.554386577162 40.5287212941869, 141.554441792505 40.5287595503061, 141.554478834723 40.5287265041426, 141.554505106471 40.5287158999437)) ^^http://www.opengis.net/ont/geosparql#wktLiteral