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Paper at a Glance

The evolution of a lexicon and meaning in
robotic agents through self­organization
Paul Vogt
Vrije Universiteit Brussel, Artificial Intelligence Laboratory
Pleinlaan 2
1050 Brussels, Belgium
e­mail: paul@arti.vub.ac.be
http://arti.vub.ac.be/ paul

Abstract. This paper discusses interdisciplinary experiments, combin­ ing robotics and evolutionary computational linguistics. The goal of the experiments is to investigate if robotic agents can originate a language, in particular a lexicon. In the experiments two robots engage in a series of so­called language games. Starting from the assumption that the robots know how to communicate and are able to detect some sensory informa­ tion from the environment, the agents ground conceptual meaning and develop a lexicon. The experiments show that the robots are able to form a shared communication system. The paper investigates the influence of using non­linguistic information in the formation of the lexicon, which takes the form of pointing (1) to indicate the topic of the language game, and (2) to give feedback on the outcome of the game.
1 Introduction In the last decade there has been an increasing interest in a dynamical approach to evolutionary linguistics (Hurford et al., 1998). In this approach language is seen as a complex dynamical system, like one can see in thermodynamics or in bi­ ological systems. Our underlying theory assumes that language emerges through self­organization within a community of culturally interacting agents (Steels, 1996a). In addition, meaning emerges from interactions with the environment, individual adaptation and self­organization (Steels, 1996b). Our research group investigates various aspects of the emergence of language ranging from lexicons, meaning, phonetics, syntax and language change, for an overview see (Steels, 1997). Also research is underway on the evolution of com­ munication (De Jong, 1997). Our language system is comparable to the ones described in (Oliphant, 1996), (McLennan, ...

@inproceedings{vogt98theEvolution,
  author={P. Vogt},
  title={The evolution of a lexicon and meaning in robotic agents through self-organization},
  year={1998},
  address={London},
  booktitle={The 2nd International Conference on the Evolution of Language},
  note={not published!},
  url={http://www.isrl.uiuc.edu/~amag/langev/paper/vogt98theEvolution.html}
}

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