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Title: Emergence of Zipf's law in the Evolution of Communication
Author: Corominas Murtra, Bernat
Fortuny Andreu, Jordi
Solé, Ricard V.
Keywords: Comunicació
Models matemàtics
Mathematical models
Issue Date: 28-Mar-2011
Publisher: American Physical Society
Abstract: Zipf's law seems to be ubiquitous in human languages and appears to be a universal property of complex communicating systems. Following the early proposal made by Zipf concerning the presence of a tension between the efforts of speaker and hearer in a communication system, we introduce evolution by means of a variational approach to the problem based on Kullback's Minimum Discrimination of Information Principle. Therefore, using a formalism fully embedded in the framework of information theory, we demonstrate that Zipf's law is the only expected outcome of an evolving communicative system under a rigorous definition of the communicative tension described by Zipf.
Note: Reproducció del document publicat a:
It is part of: Physical Review E, 2011, vol. 83, num. 3
ISSN: 1539-3755
Appears in Collections:Articles publicats en revistes (Filologia Catalana i Lingüística General)

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