メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.348788206323 44.3326680718469, 143.346510362728 44.3327173876927, 143.345453503669 44.3327589630778, 143.341354192317 44.3329201509963, 143.339027494638 44.3329459191185, 143.338561009222 44.332963306833, 143.338492425386 44.3320779249322, 143.338249033994 44.328110630397, 143.34367013643 44.3278587426737, 143.348499838776 44.3303704307165, 143.348565168137 44.3304014095291, 143.34935746163 44.3308045639096, 143.349864547285 44.3310896938859, 143.350133927221 44.3312984653419, 143.350383097302 44.3316000346355, 143.350658227617 44.3319852392391, 143.350899144158 44.3323637418893, 143.351022467305 44.3326196222538, 143.348788206323 44.3326680718469)) ^^http://www.opengis.net/ont/geosparql#wktLiteral