Representing and visualizing folksonomies as graphs: a reference model

  • Authors:
  • Steffen Lohmann;Paloma Díaz

  • Affiliations:
  • University of Stuttgart, Stuttgart, Germany;Universidad Carlos III de Madrid, Leganés, Spain

  • Venue:
  • Proceedings of the International Working Conference on Advanced Visual Interfaces
  • Year:
  • 2012

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Abstract

We present a reference model for the representation and visualization of folksonomies as graphs. We discuss the formal representation of folksonomies and derive a hypergraph structure that is core to any visualization approach. We split this hypergraph into subgraphs that can guide the development of folksonomy visualizations. We use these subgraphs to classify existing graph visualizations of folksonomies from the literature and web. We found that most works display the interrelated set of tags, while the relations between resources and/or users are largely neglected by current visualization approaches. Based on these and further findings, we discuss research challenges and potentials for future graph visualizations of folksonomies.