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

Figure 9

Schematic depiction of the informational sources of linking topics (red vertices) in author topic networks as a function of the textual relatedness of two texts (blue vertices) (that belong to layer of a corresponding LMN—see Definition 1) and the social relatedness of corresponding authors (green vertices) (that belong to layer of a corresponding LMN). Bidirectional red arcs denote arcs of the corresponding margin layers in Definition 1.