Intermittency and scale-free networks: a dynamical model for human language complexity

Details Intermittency and scale-free networks: a dynamical model for human language complexity Intermittency and scale-free networks: a dynamical model for human language complexity

2003-10-28

arxiv.org/abs/cond-mat/0310648v1

CHAOS SOLITONS & FRACTALS, Volume: 20, Pages: 95-105 APR 2004

Physics

Condensed Matter

Statistical Mechanics

Scientific paper

10.1016/S0960-0779(03)00432-6

In this paper we try to model certain features of human language complexity by means of advanced concepts borrowed from statistical mechanics. We use a time series approach, the diffusion entropy method (DE), to compute the complexity of an italian corpus of newspapers and magazines. We find that the anomalous scaling index is compatible with a simple dynamical model, a random walk on a complex scale-free network, which is linguistically related to Saussurre's paradigms. The network complexity is independently measured on the same corpus, looking at the co-occurrence of nouns and verbs. This connection of cognitive complexity with long-range time correlations also provides an explanation for the famous Zipf's law in terms of the generalized central limit theorem.

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