メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.118104832324 36.6996605464085, 137.119237222413 36.6995744675106, 137.119482972287 36.7000500190968, 137.119651487215 36.7003557191579, 137.119791964108 36.7005538982463, 137.11652317801 36.7008355991512, 137.116347441443 36.7008524927903, 137.116299573124 36.7005907405106, 137.116292779433 36.700553595561, 137.116281144971 36.7005097977031, 137.115637704783 36.7005069191821, 137.115609639546 36.7004162932625, 137.115518455857 36.700121956353, 137.115996412632 36.7001560962873, 137.115884238346 36.6996976330725, 137.116179473944 36.6996807204762, 137.116200478722 36.6998052788974, 137.118104832324 36.6996605464085)) ^^http://www.opengis.net/ont/geosparql#wktLiteral