Citizendium：https://ja.wikipedia.org/wiki/Citizendium
Citizendium"シチズンディアム"beta版
http://en.citizendium.org/wiki/Main_Page
is a project which is creating the world's most trusted
encyclopedia. Larry Sanger initiated Citizendium project. A
beta-version was made public in March 2007. Authors have to make their
real names open when they submit contents of Citizendium.
Sections of Citizendium can be grouped as follows.
The followings are copied from the Citizendium.
1. Natuaral sciences 自然科学
2. Social sciences 社会科学
3. Humanities 人文科学(文学など)
4. Arts 芸術
5. Applied arts and sciences応用芸術と応用科学
6. Recreation レクリエーション
