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Université de Fribourg

Collective iteration behavior for online social networks

Liu, Jian-Guo ; Li, Ren-De ; Guo, Qiang ; Zhang, Yi-Cheng

In: Physica A: Statistical Mechanics and its Applications, 2018, vol. 499, p. 490–497

Understanding the patterns of collective behavior in online social network (OSNs) is critical to expanding the knowledge of human behavior and tie relationship. In this paper, we investigate a specific pattern called social signature in Facebook and Wiki users’ online communication behaviors, capturing the distribution of frequency of interactions between different alters over time in the...

Consortium of Swiss Academic Libraries

Tullock challenges: happiness, revolutions, and democracy

Frey, Bruno

In: Public Choice, 2011, vol. 148, no. 3-4, p. 269-281

Consortium of Swiss Academic Libraries

Multi-stock portfolio optimization under prospect theory

Pirvu, Traian ; Schulze, Klaas

In: Mathematics and Financial Economics, 2012, vol. 6, no. 4, p. 337-362

Consortium of Swiss Academic Libraries

Ultimate Cognition à la Gödel

Schmidhuber, Jürgen

In: Cognitive Computation, 2009, vol. 1, no. 2, p. 177-193