メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.699136031361 35.4125060489976, 136.700373552314 35.4125244322296, 136.700497065244 35.4125262800269, 136.700957655361 35.4125025187171, 136.701241101032 35.4124549114142, 136.701588779034 35.4123736374523, 136.701525394603 35.4139136011148, 136.701528690911 35.4141331856733, 136.701203798988 35.4146108723187, 136.699082224964 35.4145913476267, 136.696525014045 35.4145619990441, 136.696526244635 35.4135666434724, 136.696527608541 35.4124629539958, 136.699136031361 35.4125060489976)) ^^http://www.opengis.net/ont/geosparql#wktLiteral