メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.745205809209 35.380149815014, 136.744677479782 35.3801665889835, 136.744654719031 35.3801673128816, 136.7435850869 35.3802012747876, 136.743530537242 35.3797060955789, 136.743503528131 35.3791563302413, 136.743453363267 35.3781352226205, 136.743577023066 35.3781233952714, 136.744543235187 35.3780838342622, 136.74558715178 35.3780411048995, 136.746763883108 35.3779929274084, 136.746904034094 35.3800748680895, 136.745734912513 35.3801329719341, 136.745205809209 35.380149815014)) ^^http://www.opengis.net/ont/geosparql#wktLiteral