From Topic Networks to Distributed Cognitive Maps: Zipfian Topic Universes in the Area of Volunteered Geographic Information

Figure 4

Visualization of a segment of the TTN of the city wiki Dresden (http://www.stadtwikidd.de/wiki/Hauptseite) using the 3rd level of the DDC as the underlying RCS for the definition of topics according to Section 3.2. The segment shows the highest weighted topics and their (undirected) links. Edges have been colored to show the two centers of this graph.