メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.930335790122 34.8932942247657, 136.930291141424 34.8933049138646, 136.929726939889 34.8934229853892, 136.929824214394 34.8936539074596, 136.929152981637 34.893865653509, 136.928382472225 34.8941493236695, 136.928248953899 34.8938676184814, 136.927929051886 34.8932453649252, 136.928750914196 34.8929587005041, 136.929434854702 34.892709582828, 136.92944315986 34.8927272065902, 136.929488953498 34.8927124352829, 136.930185921665 34.8924874270326, 136.930259026613 34.8924638340549, 136.930259072222 34.8924777797163, 136.930260346172 34.8927883125577, 136.930335790122 34.8932942247657)) ^^http://www.opengis.net/ont/geosparql#wktLiteral