メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.777454228421 34.7495082657058, 138.777445408638 34.7495234871686, 138.777377239294 34.7496411413447, 138.777051696785 34.7502032510885, 138.776990952705 34.7503397526371, 138.776724046093 34.7509392023615, 138.776989105756 34.7510389164488, 138.777425635276 34.7511871322211, 138.77769533284 34.7512896519588, 138.777855988011 34.7513507153123, 138.777774640371 34.7514889536444, 138.777369797006 34.7521770413869, 138.777208542821 34.752128516323, 138.777024612494 34.7520732794543, 138.776796270648 34.752044625317, 138.776578283491 34.7520503220675, 138.774668280579 34.7518205505376, 138.774890354209 34.7508808516926, 138.774901692702 34.7508327878167, 138.775031127973 34.7504211488413, 138.775270887992 34.7497135712074, 138.775317930912 34.7495747052451, 138.775348319013 34.7493483940776, 138.775335206502 34.749153029815, 138.775134343679 34.7486959126935, 138.775152635401 34.7485775376994, 138.77522507016 34.7484791884749, 138.77502137698 34.7480549009425, 138.775037464541 34.7480180974163, 138.775239679444 34.7479239697774, 138.775231349466 34.7478572131686, 138.775319975013 34.7478281384135, 138.775360851374 34.7478167781671, 138.775376829406 34.747753208213, 138.7754618679 34.7477430180189, 138.775547031817 34.7477695964308, 138.77559583933 34.7478330232039, 138.776227167026 34.7476544051875, 138.776777303974 34.7474324341346, 138.777531604497 34.7471392874907, 138.777810522591 34.7467918331571, 138.778078138759 34.7465600603297, 138.778392807574 34.7464341204435, 138.778450653433 34.7464324413612, 138.778754541109 34.7464237323524, 138.778967348343 34.746461433411, 138.779123480822 34.7464937667197, 138.778553961452 34.7472749223207, 138.778329954039 34.7477041054829, 138.777770865523 34.7489320862347, 138.777767012333 34.7489405500022, 138.777678947607 34.7491606503367, 138.777553692365 34.7493660427007, 138.777454228421 34.7495082657058)) ^^http://www.opengis.net/ont/geosparql#wktLiteral