メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.993982980245 34.9997514932802, 136.994025224006 35.0006576547749, 136.993464688392 35.000765019144, 136.992655377737 35.0008531457393, 136.992355297102 35.0008875700303, 136.992042868469 35.0009176089252, 136.991833251747 34.9994732188414, 136.993961849292 34.9993034831422, 136.993982980245 34.9997514932802)) ^^http://www.opengis.net/ont/geosparql#wktLiteral