メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.125677982846 35.0799761828732, 137.12574728883 35.0800568474629, 137.125860405202 35.080223376552, 137.126093811089 35.0805582688852, 137.126173463633 35.0806972494942, 137.126081589221 35.0810897709116, 137.126039730744 35.0814476606932, 137.12600759032 35.0815115952049, 137.125600281239 35.0813821411055, 137.125371634483 35.0822769590111, 137.125057248841 35.0822490921895, 137.124527361794 35.0821842381513, 137.124238330333 35.0821605337869, 137.123806492353 35.0820845870304, 137.123483642759 35.0820844605059, 137.123329824398 35.0820774993016, 137.123106688003 35.0820899457687, 137.122748312538 35.0821411445201, 137.122915853587 35.0817702086073, 137.12310294271 35.0811971545728, 137.123156979389 35.0810824525621, 137.123173184823 35.0810269637299, 137.123176587518 35.0809797082139, 137.123176657904 35.0808476589252, 137.123189398132 35.080726179664, 137.123231714744 35.0806246422875, 137.12326217069 35.0805538055052, 137.123292550029 35.0804928999887, 137.123319726981 35.0803954410862, 137.12333160187 35.0803232583049, 137.123316467216 35.0801759918898, 137.122887559677 35.080078071551, 137.123055075941 35.0796178335308, 137.123131876257 35.0793619341408, 137.123159847543 35.0791996142092, 137.125276967502 35.0791887391692, 137.125556882587 35.0798320463823, 137.125677982846 35.0799761828732)) ^^http://www.opengis.net/ont/geosparql#wktLiteral