メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.750175320928 40.3896855516514, 140.750421573132 40.3900097130901, 140.750321726585 40.3902774076225, 140.750257582764 40.3903317536822, 140.750200448415 40.3903632697312, 140.750118226417 40.3903665181581, 140.749984145701 40.390306894941, 140.749914926552 40.3903035742151, 140.749798012833 40.3903563673019, 140.749568594045 40.3904190026811, 140.749386739463 40.390504818508, 140.749291440802 40.3905841200533, 140.749196114282 40.3906865338671, 140.749187350651 40.3907724761563, 140.749070360023 40.3908914100472, 140.748918855103 40.3909309502833, 140.7486029726 40.3909141866836, 140.748464580301 40.39085789997, 140.748451686493 40.3907785562985, 140.748529741645 40.3906496731691, 140.748512636909 40.3904942993305, 140.748450346801 40.3901289304186, 140.748454730246 40.3900826692461, 140.748530555805 40.3900017366438, 140.748714479492 40.3899902953821, 140.748889822909 40.3899226635161, 140.748978637678 40.3898350914605, 140.748959295428 40.3897342465377, 140.750175320928 40.3896855516514)) ^^http://www.opengis.net/ont/geosparql#wktLiteral