メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.965809069728 38.5867754470666, 140.966184164717 38.5872055048929, 140.966541563953 38.5876215033833, 140.967060728252 38.5881834386506, 140.966684918404 38.5883677117522, 140.966475714014 38.5884514251539, 140.965248651089 38.5890056125047, 140.964744298279 38.58857034697, 140.964600542368 38.5884186143846, 140.964317798049 38.5882087570264, 140.963894777806 38.5878053527355, 140.963660225321 38.5875888239352, 140.963459375662 38.5874061831906, 140.965432177862 38.5863608752882, 140.965809069728 38.5867754470666)) ^^http://www.opengis.net/ont/geosparql#wktLiteral