メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.555636114774 35.718358351298, 139.555783623422 35.7186190636896, 139.55584318902 35.7187228566664, 139.555867652363 35.718765463251, 139.555971901741 35.7189506918921, 139.556082308801 35.7191226431999, 139.556324228207 35.7195435616672, 139.556454418545 35.7197633019859, 139.55658746659 35.7199808836563, 139.556755854703 35.7202669753408, 139.556873577066 35.7204593638027, 139.556991162891 35.7206540070299, 139.557213216801 35.7210293696156, 139.55722050818 35.7211059483687, 139.557249420495 35.7214728068537, 139.556722406058 35.7212860994472, 139.555205654345 35.7207486988698, 139.554955418091 35.7206642531629, 139.554830870344 35.7206108181202, 139.554769558324 35.7205675628991, 139.553850170572 35.7199189596203, 139.553114105054 35.7193853114948, 139.553033248775 35.719326693256, 139.553924041703 35.7187097646916, 139.5540983507 35.718589031496, 139.554930915206 35.7182478943482, 139.555444004884 35.7180490367256, 139.555636114774 35.718358351298)) ^^http://www.opengis.net/ont/geosparql#wktLiteral