Bayesian learning of probabilistic language models
Bayesian learning of probabilistic language models
The origins of syntax in visually grounded robotic agents
Artificial Intelligence - Special issue: artificial intelligence 40 years later
Formalizing Commonsense: Papers by John McCarthy
Formalizing Commonsense: Papers by John McCarthy
Constructivist development of grounded construction grammars
ACL '04 Proceedings of the 42nd Annual Meeting on Association for Computational Linguistics
Grounded models as a basis for intuitive reasoning
IJCAI'01 Proceedings of the 17th international joint conference on Artificial intelligence - Volume 1
The emergence of compositional structures in perceptually grounded language games
Artificial Intelligence - Special volume on connecting language to the world
How grammar emerges to dampen combinatorial search in parsing
EELC'06 Proceedings of the Third international conference on Emergence and Evolution of Linguistic Communication: symbol Grounding and Beyond
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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We describe some experiments which show how a languageexpressive enough to allow the communication of meanings of the same complexity as propositional logic formulas can emerge in a population of autonomous agents which have no prior linguistic knowledge. We take an approach based on general purpose cognitive capacities,such as invention, adoption and induction, and on self-organisationprinciples applied to a particular type of linguistic interaction known as a language game.These experiments extend previous work by considering a larger population and a much larger search space of grammar rules. In particular the agents are allowed to order the expressions associated with the constituents of a logical formula in arbitrary order in the sentence. Previous work assumed that the expressions associated with the connectives should be always placed in the first position of the sentence. Another difference is that communication is considered successful in a language game if the meaning interpreted by the hearer is logically equivalentto the meaning the speaker had in mind. In previous experiments the meanings of speaker and hearer were required to be syntactically equal. This allows us to observe how a less strict grammar in terms of word order emerges through the self-organisation process, which minimizes the learning effort of the agents by imposing only those order relations among the components of a sentence that are necessary for language understanding.