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  Hyperbolae Are No Hyperbole: Modelling Communities That Are Not Cliques

Metzler, S., Günnemann, S., & Miettinen, P. (2016). Hyperbolae Are No Hyperbole: Modelling Communities That Are Not Cliques. Retrieved from http://arxiv.org/abs/1602.04650.

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arXiv:1602.04650.pdf (Preprint), 2MB
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 Urheber:
Metzler, Saskia1, Autor           
Günnemann, Stephan2, Autor
Miettinen, Pauli1, Autor           
Affiliations:
1Databases and Information Systems, MPI for Informatics, Max Planck Society, ou_24018              
2External Organizations, ou_persistent22              

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Schlagwörter: cs.SI, Physics, Physics and Society, physics.soc-ph
 Zusammenfassung: Cliques (or quasi-cliques) are frequently used to model communities: a set of nodes where each pair is (equally) likely to be connected. However, when observing real-world communities, we see that most communities have more structure than that. In particular, the nodes can be ordered in such a way that (almost) all edges in the community lie below a hyperbola. In this paper we present three new models for communities that capture this phenomenon. Our models explain the structure of the communities differently, but we also prove that they are identical in their expressive power. Our models fit to real-world data much better than traditional block models, and allow for more in-depth understanding of the structure of the data.

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Sprache(n): eng - English
 Datum: 2016-02-152016
 Publikationsstatus: Online veröffentlicht
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 Identifikatoren: arXiv: 1602.04650
URI: http://arxiv.org/abs/1602.04650
BibTex Citekey: Metzler_arXiv2016
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