メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.611515956536 35.318830439574, 136.609498080343 35.3190885337099, 136.607034077766 35.3193923034865, 136.606973536256 35.3190819032717, 136.606782022289 35.3180405221267, 136.606563439245 35.3168571938871, 136.608542030684 35.3167782057683, 136.609061922545 35.316757443903, 136.609974147424 35.3167303874522, 136.610040875478 35.3167282292257, 136.610111581345 35.3170801514696, 136.610218694258 35.3177113786783, 136.610260657378 35.3179635974641, 136.610685531938 35.3179172451672, 136.610769080312 35.3182888029962, 136.611405413617 35.3182026466099, 136.611515956536 35.318830439574)) ^^http://www.opengis.net/ont/geosparql#wktLiteral