In our work we extend the traditional bipartite model of ontologies with the social dimension, leading to a tripartite model of actors, concepts and instances. We demonstrate the application of this representation by showing how community-based semanti
R. Wetzker, T. Alpcan, C. Bauckhage, W. Umbrath, and S. Albayrak. WI '07: Proceedings of the IEEE/WIC/ACM International Conference on Web Intelligence, page 482--486. Washington, DC, USA, IEEE Computer Society, (2007)