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Charles E. Taylor
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Proceedings Papers
. alif2016, ALIFE 2016, the Fifteenth International Conference on the Synthesis and Simulation of Living Systems536-543, (July 4–6, 2016) 10.1162/978-0-262-33936-0-ch086
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Birdsong may be regarded as a complex adaptive system. In this paper we study the relationship between complexity and consistency of an evolving model of Cassins Vireo syntax, using a genetic algorithm to approximate a Minimal Consistent Deterministic Finite-state Automata (MCDFA) capable of accepting vocal sequences produced by birds of the study species. Our results imply that, despite the complex vocal behaviour of this species, the complexity of the model can be reduced considerably to encompass all of the positive samples while retaining the ability to exclude similar negative samples. These results suggest the existence of important regularities in the song sequences of this species.
Proceedings Papers
. alif2016, ALIFE 2016, the Fifteenth International Conference on the Synthesis and Simulation of Living Systems578-579, (July 4–6, 2016) 10.1162/978-0-262-33936-0-ch092
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Animal language may be regarded as a complex adaptive system. Although there is software for identifying linguistic units or phrases in animal vocalisations, packages for analysing the grammatical properties of phrases sequences are scarce. PajaroLoco is an open-source Mathematica package for the study of these features. This paper is a demonstration of the capabilites of PajaroLoco using as an example the syntax network from a Cassins Vireo individual. Our intention is to illustrate how it could be used for other network analysis tasks in the artificial life community. It should be noted, though, that it is not our purpose to perform a thorough description of the species grammar as we are currently working on other aspects of that field of study (Arriaga et al., 2015; Hedley, 2015).