メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.456349150912 40.4981132369662, 141.456156551196 40.498007294672, 141.455953567356 40.4978898315948, 141.455872954763 40.4978487896747, 141.455821030917 40.4978352093092, 141.455660302282 40.4978064531044, 141.455569420308 40.4978060640646, 141.45561047183 40.497790118094, 141.455645291963 40.4977382497186, 141.455679574111 40.4976234495499, 141.455766750708 40.4973432623877, 141.455836250086 40.4972192985947, 141.455970445094 40.4970949876327, 141.45614572027 40.4969480098829, 141.45645637839 40.4966508899094, 141.456745038166 40.4963572310552, 141.45701052488 40.4961041539716, 141.45715960731 40.4959954878124, 141.457331250808 40.4958896877661, 141.457343413221 40.4958992963845, 141.457419244907 40.4959615077193, 141.457313828363 40.496072894, 141.457300237613 40.496172738854, 141.457264582477 40.4965017245222, 141.45776419269 40.496628309388, 141.458068489329 40.4967087734282, 141.458078946852 40.4966984084561, 141.458319449299 40.4968562966021, 141.458225096278 40.4969235083349, 141.458224043813 40.4969242543332, 141.457988624902 40.4971298191591, 141.457748504066 40.4973701310991, 141.457558554918 40.4975793181978, 141.457403912179 40.4977844451218, 141.457120362352 40.4978742105775, 141.456910736994 40.4979201972304, 141.456556259924 40.4980296229729, 141.456349150912 40.4981132369662)) ^^http://www.opengis.net/ont/geosparql#wktLiteral