メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.139450840955 35.0724041528079, 137.139632166831 35.0715283053849, 137.140415726716 35.0719410657828, 137.140529801739 35.0722091372903, 137.140835021901 35.0729423546953, 137.140917258011 35.0730809746206, 137.141677012921 35.0740205808404, 137.141722251126 35.0740646092075, 137.141825314364 35.0741595687137, 137.141791071971 35.0741485743236, 137.141714890519 35.0741410196107, 137.141700515727 35.0741432697601, 137.14112648253 35.0742344013911, 137.140479811057 35.0743359345572, 137.139851494172 35.0744265532334, 137.139851064029 35.0744242994749, 137.139826381547 35.0744278150855, 137.138652072821 35.0745977259414, 137.138166081812 35.0746753451964, 137.13742418723 35.0747831037845, 137.137204254135 35.0737536190707, 137.13699010216 35.0727273050291, 137.13876091835 35.072503905157, 137.139450840955 35.0724041528079)) ^^http://www.opengis.net/ont/geosparql#wktLiteral