Toshikazu SETO @tosseto
http://twilog.org/tosseto geography/ geographical information science neogeography/ Volunteered Geographic Information/ Qualitative GIS
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WebGIS Techを受けてのLinked Open Dataに関する論議
2003pv 18 3 users
http://twilog.org/tosseto geography/ geographical information science neogeography/ Volunteered Geographic Information/ Qualitative GIS