メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.471176705544 37.1618713106544, 138.47026488377 37.1627712947052, 138.470088652457 37.1629427447719, 138.469996674871 37.1631140757118, 138.469731840246 37.1646481745343, 138.469624553985 37.1647767678384, 138.46950196934 37.1648624129513, 138.469157240275 37.1649420156325, 138.468697650236 37.1649663924269, 138.468038961053 37.1648558954512, 138.467679005399 37.164714924783, 138.467418653393 37.1645311072884, 138.467188962942 37.1642922445813, 138.466247364772 37.1630120249628, 138.464964938143 37.1617347970303, 138.464723318094 37.1615453477217, 138.464585933661 37.1614376633198, 138.462699001393 37.160453213539, 138.462914689554 37.1601601976768, 138.463072832986 37.1600051536608, 138.463180647009 37.1599190851796, 138.463878328103 37.1595420896286, 138.464069855849 37.1594502050435, 138.464138833266 37.1593400470337, 138.464847454664 37.1590309866459, 138.465314728953 37.1589025027964, 138.465735992874 37.1588597528005, 138.466310435979 37.1588660462539, 138.466769955876 37.158927427084, 138.46733669132 37.1590317107693, 138.468401197141 37.1593320576805, 138.46868453143 37.1594668819251, 138.469266475174 37.1598467833471, 138.469664697468 37.1599938169834, 138.47002850881 37.160009259367, 138.4705799781 37.1600215779628, 138.470786755238 37.1600706304406, 138.470901623817 37.1601257837748, 138.471149010699 37.160296921452, 138.471004584997 37.1612801849349, 138.470966181715 37.1615497398922, 138.470996760414 37.1617088523007, 138.471035031363 37.1617946797481, 138.471176705544 37.1618713106544)) ^^http://www.opengis.net/ont/geosparql#wktLiteral