メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.811638549189 34.6830926154998, 135.811656651854 34.6831658912008, 135.811750913511 34.6839850019558, 135.811823799346 34.6843975556696, 135.811798370524 34.6843970937323, 135.810262943708 34.6843757066029, 135.809830864501 34.6843708083077, 135.809488052409 34.6843670351763, 135.808722757927 34.6843616379141, 135.808565350459 34.6843605256667, 135.806806484279 34.6843590335418, 135.806921520316 34.6837437914258, 135.806961596319 34.6833559236735, 135.806969598661 34.6832783216098, 135.806976121053 34.6832045206868, 135.807019240979 34.6827167864868, 135.807094880465 34.6818955975371, 135.807606600681 34.6818998098392, 135.807698840714 34.6819005604575, 135.80810222204 34.6819043003938, 135.808442066179 34.6819074483563, 135.80889317154 34.6819098007304, 135.809089660549 34.6818884707574, 135.809090236741 34.6818884851778, 135.809901862323 34.6818985752105, 135.811490022056 34.6819183073503, 135.811638549189 34.6830926154998)) ^^http://www.opengis.net/ont/geosparql#wktLiteral