Simulating meaning negotiation using observational language games

Authors:
Tiina Lindh-Knuutila;Timo Honkela;Krista Lagus
Affiliations:
Adaptive Informatics Research Centre, Helsinki University of Technology, TKK, Finland;Adaptive Informatics Research Centre, Helsinki University of Technology, TKK, Finland;Adaptive Informatics Research Centre, Helsinki University of Technology, TKK, Finland
Venue:
EELC'06 Proceedings of the Third international conference on Emergence and Evolution of Linguistic Communication: symbol Grounding and Beyond
Year:
2006

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Abstract

In this article, we study the emergence of associations between words and concepts using the self-organizing map. In particular, we explore the meaning negotiations among communicating agents. The self-organizing map is used as a model of an agent's conceptual memory. The concepts are not explicitly given but they are learned by the agent in an unsupervised manner. Concepts are viewed as areas formed in a self-organizing map based on unsupervised learning. The language acquisition process is modeled in a population of simulated agents by using a series of language games, specifically observational games. The results of the simulation experiments verify that the agents learn to communicate successfully and a shared lexicon emerges.