Jussi M. Kumpula, Jukka-Pekka Onnela, Jari Saramäki, and János Kertész, Kimmo Kaski, Model of community emergence in weighted social networks, Computer Physics Communications, 180, 517-522, (2009)
Jussi M. Kumpula, Jukka-Pekka Onnela, Jari Saramäki, Kimmo Kaski, and János Kertész, Emergence of Communities in Weighted Networks, Phys. Rev. Lett. 99, 228701 (2007)
based on Complexity Explorable:
" Jujujajáki networks -
A mechanism that may explain community structures in social networks"