Lattices for Dynamic, Hierarchic & Overlapping Categorization: the Case of Epistemic Communities

Camille Roth Paul Bourgine Lattices for Dynamic, Hierarchic & Overlapping Categorization: the Case of Epistemic Communities http://arxiv.org/abs/nlin/0509007 2005 CoRR abs/nlin/0509007 db/journals/corr/corr0509.html#abs-nlin-0509007 informal publication