メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.735765462601 35.2893222155233, 136.735641300403 35.2893410713383, 136.735508777053 35.2893488407124, 136.735322626852 35.2893550127502, 136.735309904465 35.2887507414162, 136.735013390213 35.2882237746166, 136.735593525205 35.2882285765807, 136.736355533144 35.2880937379774, 136.736903686161 35.287998914789, 136.738358405286 35.2877573519625, 136.73858812424 35.2887554160934, 136.736830884997 35.2890558420388, 136.736271137047 35.2891494273907, 136.736155275273 35.2891819748704, 136.73597214764 35.2892418204223, 136.735765462601 35.2893222155233)) ^^http://www.opengis.net/ont/geosparql#wktLiteral