Estrada, E.; Rodriguez-Velazquez, J. A. Subgraph centrality and clustering in complex hyper-networks. Physica A, Statistical Mechanics and its Applications 364, 2006, 581-594.

Estrada, E.; Rodriguez-Velazquez, J. A. Subgraph centrality and clustering in complex hyper-networks. Physica A, Statistical Mechanics and its Applications 364, 2006, 581-594. [PDF]