メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.701694028349 35.4175526016069, 136.699064160987 35.4175473172136, 136.699058219652 35.4185757504689, 136.696553500315 35.418552301462, 136.696525014045 35.4145619990441, 136.699082224964 35.4145913476267, 136.701203798988 35.4146108723187, 136.701528690911 35.4141331856733, 136.701729159452 35.4141331791915, 136.701723604437 35.4146209613038, 136.701707110316 35.4165484886614, 136.701694028349 35.4175526016069)) ^^http://www.opengis.net/ont/geosparql#wktLiteral