メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.605773366392 35.3886567848269, 136.602430014156 35.3885334031734, 136.600727425955 35.3884564290347, 136.601140186366 35.3869839226464, 136.601367459752 35.3861668530936, 136.601451578118 35.3861886538846, 136.601676086467 35.3860849903839, 136.601759356991 35.3860246776962, 136.601844177055 35.3858400111681, 136.602540785349 35.385864107322, 136.603854871079 35.3859029760759, 136.604594349134 35.3859266264682, 136.604553521896 35.3865773984058, 136.605839079769 35.3866147772939, 136.605773366392 35.3886567848269)) ^^http://www.opengis.net/ont/geosparql#wktLiteral