Wikipedia is an encyclopedia of free contents. It is based on wiki technology and written by thousands of volunteers of all around the world. It is also available in several languages.

A quantitative Analysis about Wikipedia (Global view, contents and community, interesting issues, queality, evolution and continuity of the project.)

Slides of the presentation by Felipe Ortega on compartive studies on Wikipedia (Global Perspective, content and community, focus of interest, quality, evolution and continuity of the project.)

This workgroup studies landscapes and interaction between the repertory and the disposition in order to understand societies and see if they are attached to estable configurations in a bigger or smaller way.