Iterated learning: a framework for the emergence of language
Artificial Life
Constructivist development of grounded construction grammars
ACL '04 Proceedings of the 42nd Annual Meeting on Association for Computational Linguistics
Hierarchy in fluid construction grammars
KI'05 Proceedings of the 28th annual German conference on Advances in Artificial Intelligence
The Acquisition of Linguistic Competence for Communicating Propositional Logic Sentences
Engineering Societies in the Agents World VIII
Multi-level selection in the emergence of language systematicity
ECAL'07 Proceedings of the 9th European conference on Advances in artificial life
Proceedings of the 2010 conference on ECAI 2010: 19th European Conference on Artificial Intelligence
Propositional logic syntax acquisition
EELC'06 Proceedings of the Third international conference on Emergence and Evolution of Linguistic Communication: symbol Grounding and Beyond
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According to the functional approach to language evolution (inspired by cognitive linguistics and construction grammar), grammar arises to deal with issues in communication among autonomous agents, particularly maximisation of communicative success and expressive power and minimisation of cognitive effort. Experiments in the emergence of grammar should hence start from a simulation of communicative exchanges between embodied agents, and then show how a particular issue that arises can be solved or partially solved by introducing more grammar. This paper shows a case study of this approach, focusing on the issue of search during parsing. Multiple hypotheses arise in parsing when the same syntactic pattern can be used for multiple purposes or when one syntactic pattern partly overlaps with another one. It is well known that syntactic ambiguity rapidly leads to combinatorial explosions and hence an increase in memory use and processing power, possibly to a point where the sentence can no longer be handled. Additional grammar, such as syntactic or semantic subcategorisation or word order and agreement constraints can help to dampen search because it provides information to the hearer which hypotheses are the most likely. The paper shows an operational experiment where avoiding search is used as the driver for the introduction and negotiation of syntax. The experiment is also a demonstration of how Fluid Construction Grammar is well suited for experiments in language evolution.