メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.643044158807 35.3528709165578, 136.643012310473 35.3528978211096, 136.642767850452 35.3531044393935, 136.642424307232 35.3533535176999, 136.642002986242 35.3536132449841, 136.641466844091 35.353936347913, 136.640859405438 35.3541845626912, 136.640260890667 35.3543880254406, 136.639772757737 35.3545497110939, 136.639936536881 35.3526755040204, 136.640569306775 35.3527286692872, 136.642993849888 35.3528680233259, 136.643021904713 35.3528696235225, 136.643044158807 35.3528709165578)) ^^http://www.opengis.net/ont/geosparql#wktLiteral